A289510 Primes of the form k!4+32, where k!4 is the quadruple factorial number (A007662).
37, 53, 263, 617, 65867, 208877, 5221157, 40883567, 44358635507, 184874815157, 178311467764705307, 9807130727058790157, 200200021673987500790657, 173407420068655576409731157, 4551830726072842264843919206776501006328157
Offset: 1
Keywords
Links
- Robert Price, Table of n, a(n) for n = 1..23
- Henri& Renaud Lifchitz, PRP Records.Search for n!4+32.
- Joe McLean, Interesting Sources of Probable Primes
- OpenPFGW Project, Primality Tester
Crossrefs
Cf. A291345.
Programs
-
Mathematica
MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]]; Select[Table[MultiFactorial[i, 4] + 32, {i, 0, 100}], PrimeQ[#]&]