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A099160 Primes P(j) such that there is at least one k < P(j+1) such that k*(P(j)#)^2 - 1 and k*(P(j)#)^2 + 1 are twin primes. 2

%I #15 Nov 14 2018 04:41:00

%S 2,3,5,7,11,29,53,61,89,127,131,149,163,233,271,353,379,397

%N Primes P(j) such that there is at least one k < P(j+1) such that k*(P(j)#)^2 - 1 and k*(P(j)#)^2 + 1 are twin primes.

%F a(n) = prime(A099161(n)). - _Michel Marcus_, Nov 14 2018

%Y Cf. A099161 (j values), A099162 (k values).

%K nonn,more

%O 1,1

%A _Pierre CAMI_, Oct 01 2004

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)