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A147515 Numbers n with property that (2n)^4+3 is prime. 1

%I

%S 0,1,4,8,11,13,14,17,22,31,34,38,41,46,52,55,59,64,67,83,92,101,106,

%T 133,143,148,157,164,175,178,188,203,214,218,230,235,253,260,266,281,

%U 290,319,325,326,340,346,361,367,370,389,406,410,412,431,448,454,461,466

%N Numbers n with property that (2n)^4+3 is prime.

%H Zak Seidov, <a href="/A147515/b147515.txt">Table of n, a(n) for n=1..1000</a>

%F a(n) = A125259(n)/2.

%t Select[Range[0,500],PrimeQ[(2#)^4+3]&] (* _Harvey P. Dale_, Jul 18 2019 *)

%o (PARI) isok(n) = isprime((2*n)^4+3); \\ _Michel Marcus_, Oct 15 2013

%Y Cf. A125259.

%K nonn

%O 1,3

%A _Zak Seidov_, Nov 05 2008

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Last modified October 6 04:36 EDT 2022. Contains 357261 sequences. (Running on oeis4.)