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A174293 A118860/210. 1

%I #10 Mar 30 2012 17:26:31

%S 104610,179401,389882,1697463,1981773,3574584,4797113,5476524,7553676,

%T 9352165,14891292,17474136,20847121,20874005,26548016,27080647,

%U 27182947,35072545,35611783,36576410,40256489,42374708,51527038,53528510,55871968,56270421,57824688

%N A118860/210.

%C Are all terms composite?

%Y Cf. A118860 Numbers n such that n-/+1, 2n-/+1, 3n-/+1, 4n-/+1 are all primes.

%K nonn

%O 1,1

%A _Zak Seidov_, Nov 27 2010

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Last modified December 1 17:17 EST 2023. Contains 367500 sequences. (Running on oeis4.)