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A154547 Sophie Germain primes of A154276. 1
902501, 10824101, 19096901, 26832401, 40322501, 166926401, 255360401, 309760001, 335622401, 338928101, 404814401, 412090001, 430562501, 441840401, 651270401, 702780101, 885062501, 1006792901, 1029768101, 1160764901 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..20.

MATHEMATICA

lst={}; Do[If[PrimeQ[p=81*n^2-72*n+17], If[PrimeQ[2*p+1], AppendTo[lst, p]]], {n, 8!}]; lst

CROSSREFS

Cf. A154276, A154546

Sequence in context: A032429 A184456 A190391 * A357494 A209208 A209209

Adjacent sequences: A154544 A154545 A154546 * A154548 A154549 A154550

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, Jan 11 2009

STATUS

approved

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Last modified November 29 09:49 EST 2022. Contains 358423 sequences. (Running on oeis4.)