First Holes, bases 13..99. Report generated at 2021-05-09 08:35:20 (UTC).
The smallest exponent is 127. (95127 + 1 c192, 98127 + 1 c180, 99127 + 1 c200).
The smallest first hole is 22188 + 1 c177.
For some bases the first hole is beyond the table limit (254 decimal digits).
For bases 2..12 see Sam Wagstaff's page
http://homes.cerias.purdue.edu/~ssw/cun/champ

13241 - 1 (Beyond table range)
13227 + 1 2.7.41050444705991995903280091731.85111975050697574591083504621228907.c189
14223 - 1 (Beyond table range)
14223 + 1 (Beyond table range)
15227 - 1 (Beyond table range)
15218 + 1 (Beyond table range)
17233 - 1 (Beyond table range)
17206 + 1 2.5.29.2473.1400801.c242
18211 - 1 (Beyond table range)
18211 + 1 (Beyond table range)
19209 - 1 (Beyond table range)
19202 + 1 (Beyond table range)
20197 - 1 (Beyond table range)
20194 + 1 401.36312512210449.c237
21193 - 1 (Beyond table range)
21191 + 1 2.11.3821.113586887116607.4296149125737272147.2422496791069538905767875162472407.c182
22191 - 1 (Beyond table range)
22188 + 1 73.3209.12565169.122330849.508497137.39758405194612786433.718636062178812223128256969.c177
23199 - 1 (Beyond table range)
23188 + 1 (Beyond table range)
24197 - 1 (Beyond table range)
24188 + 1 (Beyond table range)
26181 - 1 (Beyond table range)
26181 + 1 (Beyond table range)
28179 - 1 (Beyond table range)
28179 + 1 (Beyond table range)
29173 - 1 22.7.347.58129.c245
29173 + 1 2.3.5.6229.2000645359613.3868736097893.114822038253010154868797.c200
30173 - 1 (Beyond table range)
30178 + 1 (Beyond table range)
31191 - 1 (Beyond table range)
31172 + 1 (Beyond table range)
33167 - 1 25.7923043569258407.3503870280769438287293261110051956675935381.c194
33166 + 1 2.5.109.15596033.1888547613552259155980162090089927709.c206
34167 - 1 (Beyond table range)
34166 + 1 13.89.384243521.14179334549.4027047508535200307774836924874989967591281.c190
35167 - 1 (Beyond table range)
35166 + 1 (Beyond table range)
37163 - 1 (Beyond table range)
37163 + 1 (Beyond table range)
38163 - 1 (Beyond table range)
38163 + 1 (Beyond table range)
39163 - 1 (Beyond table range)
39163 + 1 (Beyond table range)
40163 - 1 (Beyond table range)
40158 + 1 1601.1467821.65321941.70739129.1869191509.c219
41163 - 1 (Beyond table range)
41157 + 1 2.3.7.1571.2188267.c243
42157 - 1 41.35797.134707.1497078081888503416733.318907201996449722540331199811550347.c187
42157 + 1 43.20411.4241957471887732850220437177968399679107.c210
43169 - 1 (Beyond table range)
43157 + 1 (Beyond table range)
44157 - 1 (Beyond table range)
44157 + 1 (Beyond table range)
45157 - 1 (Beyond table range)
45158 + 1 (Beyond table range)
46163 - 1 (Beyond table range)
46152 + 1 17.929.38609.1269398609.170105607618532512041267748837473.c203
47151 - 1 2.23.201690044359.24919144445922173484241.c218
47157 + 1 (Beyond table range)
48157 - 1 (Beyond table range)
48151 + 1 72.2719.34429.c245
50151 - 1 (Beyond table range)
50149 + 1 3.17.139281905885651.c238
51151 - 1 (Beyond table range)
51152 + 1 (Beyond table range)
52149 - 1 (Beyond table range)
52149 + 1 (Beyond table range)
53149 - 1 (Beyond table range)
53146 + 1 2.5.281.111874050229.36814963157802908317.209232013901789691300090000109718861.c183
54149 - 1 (Beyond table range)
54148 + 1 (Beyond table range)
55149 - 1 (Beyond table range)
55149 + 1 (Beyond table range)
56149 - 1 (Beyond table range)
56146 + 1 (Beyond table range)
57149 - 1 (Beyond table range)
57148 + 1 (Beyond table range)
58149 - 1 (Beyond table range)
58148 + 1 (Beyond table range)
59157 - 1 (Beyond table range)
59146 + 1 (Beyond table range)
60151 - 1 (Beyond table range)
60142 + 1 13.277.3091436889157.c237
61163 - 1 (Beyond table range)
61146 + 1 (Beyond table range)
62151 - 1 (Beyond table range)
62146 + 1 (Beyond table range)
63157 - 1 (Beyond table range)
63142 + 1 (Beyond table range)
65139 - 1 26.108764443.232642633.748420160857.58371428057523230134133210047.c194
65139 + 1 2.3.11.557.6088935064122067.c232
66149 - 1 (Beyond table range)
66142 + 1 (Beyond table range)
67149 - 1 (Beyond table range)
67139 + 1 22.17.912575033.c244
68139 - 1 67.557.64029244276044703646772527.95894822273824180251664572379551657193.c187
68139 + 1 3.23.48953191249.5362976323915101228719.c221
69137 - 1 22.17.823.2578062439.46860309647070114659.c219
69137 + 1 2.5.7.14797.203857.438401.1824379681.823071552992257.c211
70139 - 1 (Beyond table range)
70139 + 1 (Beyond table range)
71137 - 1 2.5.7.823.3790517.188252545369207992217831224920848309349.c205
71139 + 1 (Beyond table range)
72149 - 1 (Beyond table range)
72137 + 1 73.10596403.12484951306961774209.c227
73137 - 1 (Beyond table range)
73136 + 1 2.172.113.1361.25057.279073.8377153.21620737.27680353.17988173958913.528310990697342540417.c180
74139 - 1 (Beyond table range)
74137 + 1 (Beyond table range)
75137 - 1 (Beyond table range)
75134 + 1 2.29.97.269.1609.6701.189843255518592077.c221
76139 - 1 (Beyond table range)
76136 + 1 (Beyond table range)
77137 - 1 (Beyond table range)
77134 + 1 2.5.269.593.1877.25997.409237.41371500629.c223
78137 - 1 (Beyond table range)
78134 + 1 5.1217.4021.73164814453.4455482807961985690157.26880661371382594233076609.c189
79137 - 1 (Beyond table range)
79136 + 1 (Beyond table range)
80137 - 1 (Beyond table range)
80136 + 1 (Beyond table range)
82139 - 1 (Beyond table range)
82134 + 1 (Beyond table range)
83137 - 1 (Beyond table range)
83134 + 1 (Beyond table range)
84137 - 1 (Beyond table range)
84131 + 1 5.17.263.787.17518330071833.4680785102960547729474397.c207
85137 - 1 (Beyond table range)
85134 + 1 (Beyond table range)
86137 - 1 (Beyond table range)
86131 + 1 3.29.3931.1054568961042043706916513950618947.30632957081987914425526218582813742133.c178
87131 - 1 2.43.28297.8014190915379148427.26116082911726620389590369629049442715419.c189
87131 + 1 23.11.263.2621.c247
88137 - 1 (Beyond table range)
88131 + 1 89.5149349.32706873657048319.1038113688555820406576807073541.c200
89139 - 1 (Beyond table range)
89131 + 1 (Beyond table range)
90131 - 1 (Beyond table range)
90131 + 1 (Beyond table range)
91139 - 1 (Beyond table range)
91131 + 1 (Beyond table range)
92131 - 1 (Beyond table range)
92128 + 1 769.P55.c194
93131 - 1 (Beyond table range)
93134 + 1 (Beyond table range)
94131 - 1 (Beyond table range)
94131 + 1 (Beyond table range)
95131 - 1 (Beyond table range)
95127 + 1 25.3.P58.c192
96137 - 1 (Beyond table range)
96128 + 1 257.7937.1117277207041.190686862190593.3614115195894017.c206
97137 - 1 (Beyond table range)
97131 + 1 (Beyond table range)
98131 - 1 (Beyond table range)
98127 + 1 32.11.654015457.2014404659.411268125139.548579834582867.1604396510584600645602144953.c180
99131 - 1 (Beyond table range)
99127 + 1 22.52.3557.53087.2065957134184085871601.26208612247842172249579.c200