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A139059
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Primes of the form (5+k!)/5.
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43
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OFFSET
| 1,1
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COMMENTS
| For numbers k for which (5+k!)/5 is prime see A139058.
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MATHEMATICA
| a = {}; Do[If[PrimeQ[(n! + 5)/5], AppendTo[a, (n! + 5)/5]], {n, 1, 50}]; a
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PROG
| (MAGMA) [ a: n in [1..50] | IsPrime(a) and b mod 5 eq 0 where a is b div 5 where b is Factorial(n)+5 ];
(PARI) for(k=5, 1e3, if(ispseudoprime(t=(5+k!)/5), print1(t", "))) \\ Charles R Greathouse IV, Jul 15 2011
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CROSSREFS
| Cf. A082672, A089085, A089130, A117141, A007749, A139056, A139057, A139058, A139060, A139061, A139062, A139063, A139064, A139065, A139066, A139068, A137390, A139070, A139071, A139072, A139073, A139074, A139075.
Sequence in context: A117359 A096210 A133584 * A123156 A163278 A082461
Adjacent sequences: A139056 A139057 A139058 * A139060 A139061 A139062
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KEYWORD
| nonn
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AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Apr 07 2008
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