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Search: id:A153262
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A153262 Squares such that square+-3=primes. +0
1
16, 64, 100, 196, 4096, 8464, 12544, 19600, 21316, 29584, 47524, 88804, 92416, 103684, 106276, 115600, 122500, 126736, 173056, 193600, 220900, 258064, 306916, 313600, 336400, 391876, 401956, 425104, 446224, 470596, 481636, 495616, 529984 (list; graph; listen)
OFFSET

1,1

COMMENT

16-3=13,16+3=19,primes; 64-3=61,64+3=67,primes;...

The squared members of the intersection of A028873 and A049422. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 03 2009]

MATHEMATICA

lst={}; Do[p=n^2; If[PrimeQ[p-3]&&PrimeQ[p+3], AppendTo[lst, p]], {n, 7!}]; lst

CROSSREFS

Cf. A144938

Sequence in context: A129588 A043193 A043973 this_sequence A072128 A016802 A102860

Adjacent sequences: A153259 A153260 A153261 this_sequence A153263 A153264 A153265

KEYWORD

nonn

AUTHOR

Vladimir Orlovsky (4vladimir(AT)gmail.com), Dec 22 2008

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.


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