A288611 Primes of the form k!6+8, where k!6 is the sextuple factorial number (A085158).
11, 13, 8513, 623653, 894930583, 8549258359016383, 235688987204434958925489124744024850191208400552711361516202496964312102763671883, 3455904336175896542411549854057588080710499447187965811860796717973635798288665212915137252930364990234383
Offset: 1
Keywords
Links
- Robert Price, Table of n, a(n) for n = 1..10
- Henri& Renaud Lifchitz, PRP Records.Search for n!6+8.
- Joe McLean, Interesting Sources of Probable Primes
- OpenPFGW Project, Primality Tester
Crossrefs
Cf. A288152.
Programs
-
Mathematica
MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]]; Select[Table[MultiFactorial[i, 6] + 8, {i, 0, 100}], PrimeQ[#]&]