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Primes p such that A355655(i) = 0, where i is the index of p in A000040.
2

%I #5 Jul 16 2022 01:32:37

%S 3,7,17,19,23,29,31,37,41,53,61,67,73,83,89,107,109,113,127,131,139,

%T 151,157,163,167,173,179,181,191,193,197,199,211,223,227,229,233,239,

%U 241,257,269,271,277,281,283,293,307,311,313,317,331,337,347,353,367,373

%N Primes p such that A355655(i) = 0, where i is the index of p in A000040.

%o (PARI) isp(n) = for(b=2, oo, if(Mod(b, n^2)^(n-1)==1, return(ispseudoprime(b))))

%o forprime(p=1, 200, if(!isp(p), print1(p, ", ")))

%Y Cf. A000040, A355655, A355657.

%K nonn

%O 1,1

%A _Felix Fröhlich_, Jul 12 2022