A127591 - OEIS

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A127591

Numbers k such that 64k+21 is prime.

6

2, 4, 10, 13, 17, 19, 20, 22, 23, 25, 29, 32, 37, 44, 50, 53, 55, 58, 59, 62, 68, 79, 83, 88, 89, 94, 95, 97, 100, 107, 109, 113, 118, 122, 134, 142, 143, 152, 155, 157, 158, 163, 167, 169, 173, 193, 194, 199, 200

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

a = {}; Do[If[PrimeQ[21 + 64 n], AppendTo[a, n]], {n, 0, 200}]; a

Select[Range[200], PrimeQ[64#+21]&] (* Harvey P. Dale, Jan 15 2016 *)

CROSSREFS

Cf. A035050, A007522, A127575, A127576, A127577, A127578, A127580, A127581, A087522, A127586, A127587, A127589, A127590, A127592, A127593, A127594.

Sequence in context: A366773 A216814 A180427 * A100912 A174721 A026224

Adjacent sequences: A127588 A127589 A127590 * A127592 A127593 A127594

KEYWORD

nonn

AUTHOR

Artur Jasinski, Jan 19 2007

STATUS

approved