A288615 Primes of the form k!6+24, where k!6 is the sextuple factorial number (A085158).

29, 31, 79, 1753, 21529, 623669, 2229272062349, 23481740411754649, 606997343490162649, 135419196954588922399, 1140711996797519078728387466899, 15873007435437477980505511601565649

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..17 (* All terms with not more than 1000 digits. *)

Henri& Renaud Lifchitz, PRP Records.Search for n!6+24.

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] + 24, {i, 0, 100}], PrimeQ[#]&]
Select[Table[24+Times@@Range[n, 1, -6], {n, 0, 200}], PrimeQ] (* Harvey P. Dale, Jan 14 2022 *)

Crossrefs

Cf. A085158, A288446.

Sequence in context: A125523 A156976 A157681 * A158342 A077286 A235364

Adjacent sequences: A288612 A288613 A288614 * A288616 A288617 A288618

Keyword

nonn

Author

Robert Price, Jun 11 2017

Status

approved