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Search: id:A154664
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| A154664 |
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Numbers n such that n!^2-+7493 are primes. |
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+0
2
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OFFSET
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1,1
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COMMENT
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Next term is larger than 72
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MATHEMATICA
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lst={}; a=7493; Do[If[PrimeQ[n!^2-a]&&PrimeQ[n!^2+a], AppendTo[lst, n]], {n, 3*4!}]; lst
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CROSSREFS
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Cf. A144046, A154660, A154661, A154662, A154663
Sequence in context: A047425 A048989 A103402 this_sequence A034448 A069184 A049417
Adjacent sequences: A154661 A154662 A154663 this_sequence A154665 A154666 A154667
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KEYWORD
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nonn
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AUTHOR
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Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 13 2009
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