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A139070
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Primes of the form (10+k!)/10.
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36
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13, 73, 3991681, 47900161, 130767436801, 2585201673888497664001, 40329146112660563558400001, 1376375309122634504631597958158090240000001, 11962222086548019456196316149565771506438373376000000001
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Numbers k for which (10+k!)/10 is prime see A139071
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MATHEMATICA
| a = {}; Do[If[PrimeQ[(n! + 10)/10], AppendTo[a, [(n! + 10)/10]], {n, 1, 50}]; a
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PROG
| (PARI) for(k=5, 1e3, if(ispseudoprime(t=k!/10+1), print1(t", "))) \\ Charles R Greathouse IV, Jul 15 2011
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CROSSREFS
| Cf. A082672, A089085, A089130, A117141, A007749, A139056, A139057, A139058, A139059, A139060, A139061, A139061, A139062, A139063, A139064, A139065, A139066, A020458, A139068, A137390, A139070, A139071, A139072.
Sequence in context: A146618 A139157 A159832 * A094421 A103968 A073544
Adjacent sequences: A139067 A139068 A139069 * A139071 A139072 A139073
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KEYWORD
| nonn
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AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Apr 07 2008
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