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A288612 Primes of the form k!6+12, where k!6 is the sextuple factorial number (A085158). 1
13, 17, 19, 67, 103, 947, 1741, 21517, 43237, 894930587, 23481740411754637, 606997343490162637, 3312764729596766399944113137, 1140711996797519078728387466887, 815970262367657972299041020065569977629234387, 20881494984250735169104758744498001297509736890637 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Robert Price, Table of n, a(n) for n = 1..22

Henri& Renaud Lifchitz, PRP Records.Search for n!6+12.

Joe McLean, Interesting Sources of Probable Primes

OpenPFGW Project, Primality Tester

MATHEMATICA

MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];

Select[Table[MultiFactorial[i, 6] + 12, {i, 0, 100}], PrimeQ[#]&]

CROSSREFS

Cf. A288155.

Sequence in context: A105896 A112741 A111380 * A109775 A108560 A274422

Adjacent sequences:  A288609 A288610 A288611 * A288613 A288614 A288615

KEYWORD

nonn

AUTHOR

Robert Price, Jun 11 2017

STATUS

approved

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Last modified December 11 04:29 EST 2018. Contains 318049 sequences. (Running on oeis4.)