OFFSET
1,3
COMMENTS
a(44) > 10^5.
The first 12 primes associated with this sequence: 3, 3, 5, 7, 11, 13, 47, 191, 1217, 2467, 47387.
LINKS
C. Caldwell and H. Dubner (Eds): The top ten prime numbers: from the unpublished collections of R. Ondrejka (May 2001), Table 21 F, p. 75
Ken Davis, Status of Search for Multifactorial Primes.
MATHEMATICA
MultiFactorial[n_, k_] := If[n < 1, 1, n*MultiFactorial[n - k, k]];
Select[Range[0, 50000], PrimeQ[MultiFactorial[#, 12] + 2] &]
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert Price, Mar 11 2017
EXTENSIONS
a(40)-a(43) from Robert Price, Mar 24 2017
STATUS
approved