A289737 Primes of the form k!6-48, where k!6 is the sextuple factorial number (A085158).
7, 43, 887, 43177, 21827527, 894930527, 1714167050058087577, 46738795448742522077, 345259481979861010937327, 40054638345554502541724271794327, 131181879631714694053764558690577, 15873007435437477980505511601565577, 595812745390123225308148542941328077
Offset: 1
Keywords
Links
- Robert Price, Table of n, a(n) for n = 1..18
- Henri & Renaud Lifchitz, PRP Records.Search for n!6-48.
- Joe McLean, Interesting Sources of Probable Primes
- OpenPFGW Project, Primality Tester
Crossrefs
Cf. A289701.
Programs
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Mathematica
MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]]; Select[Table[MultiFactorial[i, 6] - 48, {i, 11, 100}], PrimeQ[#]&]