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Search: id:A096985
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| A096985 |
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Numbers n such that n*n! - NextPrime[n] is prime. |
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+0
2
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| 3, 5, 8, 10, 12, 13, 23, 26, 30, 33, 38, 114, 162, 219, 265, 268, 277, 344, 463, 651, 877, 1128, 2466, 2594
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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The corresponding next prime has more than 6239 digits.
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EXAMPLE
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8 is in the sequence because 8*8! - 11 is prime.
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MATHEMATICA
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<< NumberTheory`NumberTheoryFunctions`; v={}; Do[If[PrimeQ [n*n!-NextPrime[n]], v=Append[v, n]; Print[v]], {n, 2150}]
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CROSSREFS
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Cf. A096986, A090704, A049433.
Sequence in context: A141436 A073608 A155945 this_sequence A138829 A003265 A047391
Adjacent sequences: A096982 A096983 A096984 this_sequence A096986 A096987 A096988
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KEYWORD
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more,nonn
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AUTHOR
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Farideh Firoozbakht (mymontain(AT)yahoo.com), Jul 31 2004
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EXTENSIONS
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More terms from Ryan Propper (rpropper(AT)cs.stanford.edu), Jan 01 2008
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