login
A288406
Primes of the form k!2+8, where k!2 is the double factorial number (A006852).
1
11, 23, 113, 953, 2027033, 34459433, 7905853580633, 13113070457687988603440633, 112275575285571389562324404930670903477890633, 79777941814291672401518892224505807820921910393015244140633
OFFSET
1,1
LINKS
MATHEMATICA
MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
Select[Table[MultiFactorial[i, 2] + 8, {i, 0, 100}], PrimeQ[#]&]
Select[Range[100]!!+8, PrimeQ] (* Harvey P. Dale, May 05 2019 *)
CROSSREFS
Cf. A076188.
Sequence in context: A089779 A146084 A179520 * A014874 A027899 A106388
KEYWORD
nonn
AUTHOR
Robert Price, Jun 08 2017
STATUS
approved