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
Keywords
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 k!6+24.
- Joe McLean, Interesting Sources of Probable Primes
- OpenPFGW Project, Primality Tester
Programs
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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 *)