A288619 Primes of the form k!6+48, where k!6 is the sextuple factorial number (A085158).

53, 103, 139, 983, 1777, 21827623, 2131900273, 104463111073, 23481740411754673, 606997343490162673, 1714167050058087673, 11510631741140058401923, 10465247677041459437875114423

Offset

1,1

Links

Robert Price, Table of n, a(n) for n = 1..16

Henri& Renaud Lifchitz, PRP Records.Search for n!6+48.

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] + 48, {i, 0, 100}], PrimeQ[#]&]
Select[(Table[Times@@Range[n, 1, -6], {n, 200}]+48), PrimeQ] (* Harvey P. Dale, Oct 02 2020 *)

Crossrefs

Cf. A288450.

Sequence in context: A044142 A044523 A063363 * A039476 A338836 A061656

Adjacent sequences: A288616 A288617 A288618 * A288620 A288621 A288622

Keyword

nonn

Author

Robert Price, Jun 11 2017

Status

approved