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A163153 Primes of the form A000009(q)+q, where q are also prime numbers. 0

%I #5 Jun 02 2014 10:34:13

%S 3,5,23,31,73,127,797,1301,9851,40099,345953,570181,281138239,

%T 48626519377,91840127431010423,130050574409983361,6162297935619708167,

%U 604490895403729930283,3819342674540204978827,20395819231612037821523

%N Primes of the form A000009(q)+q, where q are also prime numbers.

%C A subset of A121558.

%C Generated by positions q= 2, 3, 11, 13, 19, 23, 37, 41, 59, 73, 97..

%t f[n_]:=PartitionsQ[n]+n; lst={};Do[p=Prime[n];If[PrimeQ[f[p]],AppendTo[lst, f[p]]],{n,6!}];lst

%t Select[Table[PartitionsQ[n]+n,{n,Prime[Range[300]]}],PrimeQ] (* _Harvey P. Dale_, Jun 02 2014 *)

%Y Cf. A098145, A163150, A163151, A049575, A163152.

%K nonn

%O 1,1

%A _Vladimir Joseph Stephan Orlovsky_, Jul 21 2009

%E Edited by _R. J. Mathar_, Jul 25 2009

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Last modified May 3 04:24 EDT 2024. Contains 372205 sequences. (Running on oeis4.)