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%I #3 Mar 30 2012 17:27:02
%S 3,2001907169
%N Primes p such that p^2 divides A048861((p-1)/2).
%C No other terms below 10^11.
%F Elements of A125854 congruent to 1 or 3 modulo 8, i.e., primes p such that p == 1 or 3 (mod 8) and 2^(p-1) == 1+p (mod p^2).
%o (PARI) { forprime(p=3,10^11, if(Mod((p-1)/2,p^2)^((p-1)/2)==1, print(p);)) }
%Y A048861,A121999,A125854
%K bref,hard,more,nonn
%O 1,1
%A _Max Alekseyev_, Jan 18 2009
%E Edited by _Max Alekseyev_, Oct 13 2009
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