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A213125 Primes p such that 2p^2-1, 3p^2-2, 4p^2-3, 5p^2-4 and 6p^2-5 are also prime. 4

%I #5 Jun 06 2012 18:50:42

%S 981091,2260889,3553271,3918251,6038551,9499279,10310761,12377429,

%T 13670719,13783139,14881649,15480529,18114461,18727199,20418341,

%U 21793829,24170089,25276649,30814321,36104069,49319579,52650599,63485311,73614031,76141591,77646199,87177089

%N Primes p such that 2p^2-1, 3p^2-2, 4p^2-3, 5p^2-4 and 6p^2-5 are also prime.

%C Subsequence of A213107:

%C a(1)=981091=A213107(14)=A213079(148)=A213078(970)==A106483(10205)=A000040(77144).

%Y Cf. A000040, A106483, A213078, A213079, A213107.

%K nonn

%O 1,1

%A _Zak Seidov_, Jun 05 2012

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Last modified August 26 12:38 EDT 2024. Contains 375456 sequences. (Running on oeis4.)