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%I #5 Jul 01 2022 22:14:21
%S 3,24,105,154,213,243,268,288,307
%N a(n) = number of near-Wieferich primes with |A| <= 100 less than 10^n.
%C n | a(n) | A006880(n) | a(n)/A006880(n)*100
%C --------------------------------------------
%C 1 | 3 | 4 | 75.000000
%C 2 | 24 | 25 | 96.000000
%C 3 | 105 | 168 | 62.500000
%C 4 | 154 | 1229 | 12.530512
%C 5 | 213 | 9592 | 2.220600
%C 6 | 243 | 78498 | 0.309562
%C 7 | 268 | 664579 | 0.040326
%C 8 | 288 | 5761455 | 0.004998
%C 9 | 307 | 50847534 | 0.000603
%o (PARI) a258367(n) = abs(centerlift(Mod(2, n^2)^((n-1)/2))\/n) \\ after _Charles R Greathouse IV_ in A258367
%o my(i=0, x=10); forprime(p=3, , if(p > x, print1(i, ", "); x=10*x); if(a258367(p) <= 100, i++))
%Y Cf. A006880, A195988, A246568, A258367, A353141, A354675, A354677, A354678.
%K nonn,hard,more
%O 1,1
%A _Felix Fröhlich_, Jun 02 2022