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A289728
Primes of the form k!6-8, where k!6 is the sextuple factorial number (A085158).
1
19, 47, 83, 397, 1721, 229627, 21827567, 295540237, 13299311017, 678264862267, 3879320022245629336367, 817800727933873464057151867, 85869076433056713726000946867, 9531467484069295223586105103117, 15873007435437477980505511601565617
OFFSET
1,1
LINKS
MATHEMATICA
MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
Select[Table[MultiFactorial[i, 6] - 8, {i, 8, 100}], PrimeQ[#]&]
CROSSREFS
Cf. A289686.
Sequence in context: A048970 A068474 A201314 * A141973 A165672 A136686
KEYWORD
nonn
AUTHOR
Robert Price, Jul 10 2017
STATUS
approved