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A217992 Numbers n such that n^32+1 and (n+2)^32+1 are both prime. 0
112, 428, 430, 1960, 3042, 3496, 5062, 10038, 12294, 15828, 23208, 24116, 24632, 26892, 33368, 35960, 43960, 44140, 53382, 58402, 59610, 72214, 87628, 88036, 90474, 90846, 92678, 92688, 96510, 97766, 97768, 105082, 120116, 128756, 131154, 131882, 142682 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..37.

MATHEMATICA

lst={}; Do[p=n^32+1; q=(n+2)^32+1; If[PrimeQ[p] && PrimeQ[q], AppendTo[lst, n]], {n, 0, 150000}]; lst

Select[Range[150000], AllTrue[{#^32+1, (#+2)^32+1}, PrimeQ]&] (* The program uses the AllTrue function from Mathematica version 10 *) (* Harvey P. Dale, Aug 07 2016 *)

CROSSREFS

Cf. A006315.

Sequence in context: A203916 A234681 A234674 * A221798 A340574 A189544

Adjacent sequences: A217989 A217990 A217991 * A217993 A217994 A217995

KEYWORD

nonn,easy

AUTHOR

Michel Lagneau, Oct 17 2012

STATUS

approved

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Last modified February 4 19:58 EST 2023. Contains 360059 sequences. (Running on oeis4.)