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A288890
Primes of the form k!4+2, where k!4 is the quadruple factorial number (A007662).
1
3, 5, 7, 23, 47, 233, 587, 3467, 65837, 40883537, 151412627, 1267389587, 74389431691577, 885821206052908127, 13005556505149168230729834377, 583723376551025432768079734666930727861956890308512536691015627
OFFSET
1,1
LINKS
MATHEMATICA
MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
Select[Table[MultiFactorial[i, 4] + 2, {i, 0, 100}], PrimeQ[#]&]
CROSSREFS
Sequence in context: A057182 A038916 A019363 * A120384 A216124 A096505
KEYWORD
nonn
AUTHOR
Robert Price, Jun 18 2017
STATUS
approved