A289736 Primes of the form k!6-36, where k!6 is the sextuple factorial number (A085158).

19, 1693, 43189, 5745471106339, 350473737488839, 40054638345554502541724271794339, 78051469646106142515367459125313984339, 268110968591974440568718596462044971839

Offset

1,1

Links

Robert Price, Table of n, a(n) for n = 1..9

Henri & Renaud Lifchitz, PRP Records.Search for n!6-36.

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] - 36, {i, 10, 100}], PrimeQ[#]&]

Crossrefs

Cf. A289700.

Sequence in context: A054949 A242564 A068748 * A180394 A220990 A098846

Adjacent sequences: A289733 A289734 A289735 * A289737 A289738 A289739

Keyword

nonn

Author

Robert Price, Jul 10 2017

Status

approved