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Search: id:A139059
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A139059 a(n) = primes of the form (5+k!)/5. +0
43
1009, 72577, 7983361, 17435658241, 24329020081766401, 5170403347776995328001, 23924444173096038912392632299131543012876746752000000001 (list; graph; listen)
OFFSET

1,1

COMMENT

Numbers k for which (5+k!)/5 is prime see A139058

MATHEMATICA

a = {}; Do[If[PrimeQ[(n! + 5)/5], AppendTo[a, (n! + 5)/5]], {n, 1, 50}]; a

CROSSREFS

Cf. A082672, A089085, A089130, A117141, A007749, A139056, A139057, A139058, A139059, A139060, A139061, A139061, A139062, A139063, A139064, A139065, A139066, A020458.

Sequence in context: A117359 A096210 A133584 this_sequence A123156 A082461 A071998

Adjacent sequences: A139056 A139057 A139058 this_sequence A139060 A139061 A139062

KEYWORD

nonn

AUTHOR

Artur Jasinski (grafix(AT)csl.pl), Apr 07 2008

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.


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