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Search: id:A154505
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A154505 Sophie Germain primes of A144571. +0
1
1601, 240101, 1464101, 2755601, 6100901, 72250001, 75342401, 139948901, 281568401, 284596901, 325441601, 351937601, 655360001, 683299601, 702250001, 1479940901, 1621672901, 1830984101, 2168764901, 2219352101, 2544193601 (list; graph; listen)
OFFSET

1,1

MATHEMATICA

lst={}; Do[If[PrimeQ[p=81*n^2-90*n+26], If[PrimeQ[2*p+1], AppendTo[lst, p]]], {n, 8!}]; lst

CROSSREFS

Cf. A144571, A154503, A154504

Sequence in context: A078958 A031758 A031628 this_sequence A031538 A098193 A064251

Adjacent sequences: A154502 A154503 A154504 this_sequence A154506 A154507 A154508

KEYWORD

nonn

AUTHOR

Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 11 2009

page 1

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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