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A289854
Primes of the form k!2-64, where k!2 is the double factorial number (A006852).
1
41, 881, 10331, 34459361, 13749310511, 213458046676811, 6190283353629311, 319830986772877770815561, 563862029680583509947946811, 25373791335626257947657609311, 488960130368663401543922783473071784646213671811
OFFSET
1,1
LINKS
MATHEMATICA
MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
Select[Table[MultiFactorial[i, 2] - 64, {i, 7, 100}], PrimeQ[#]&]
CROSSREFS
Cf. A259045.
Sequence in context: A010993 A208431 A275355 * A228257 A364994 A182359
KEYWORD
nonn
AUTHOR
Robert Price, Jul 13 2017
STATUS
approved