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

Author

Robert Price, Jul 10 2017

Keywords

• nonn

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

Crossrefs

Cf. A289700.

Programs

Mathematica

MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
Select[Table[MultiFactorial[i, 6] - 36, {i, 10, 100}], PrimeQ[#]&]