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A139068 Primes of the form k!/9 + 1. 36
4481, 611402462201343216650033936533361654773516861440000000001, 234195255375503079690400057633265510581087082006817356924774723468294901747510352675631491470712754833859385753600000000000000000001 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

For numbers k for which (9+k!)/9 is prime see A137390.

MATHEMATICA

a = {}; Do[If[PrimeQ[(n! + 9)/9], AppendTo[a, [(n! + 9)/9]], {n, 1, 150}]; a

PROG

(PARI) for(n=6, 1e4, if(ispseudoprime(t=n!/9+1), print1(t", "))) \\ Charles R Greathouse IV, Jul 15 2011

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: A089202 A203938 A179161 * A031655 A031565 A031745

Adjacent sequences:  A139065 A139066 A139067 * A139069 A139070 A139071

KEYWORD

nonn,bref

AUTHOR

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

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.