login
A288409
Primes of the form k!2+64, where k!2 is the double factorial number (A006852).
1
67, 79, 1009, 10459, 34459489, 654729139, 316234143289, 2980227913743310874726229193921939
OFFSET
1,1
COMMENTS
The next term has 211 digits. - Harvey P. Dale, Feb 07 2019
LINKS
MATHEMATICA
MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
Select[Table[MultiFactorial[i, 2] + 64, {i, 0, 100}], PrimeQ[#]&]
Select[Range[100]!!+64, PrimeQ] (* Harvey P. Dale, Feb 07 2019 *)
CROSSREFS
Cf. A076193.
Sequence in context: A173040 A091490 A091075 * A139973 A118741 A217115
KEYWORD
nonn
AUTHOR
Robert Price, Jun 08 2017
STATUS
approved