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A288410
Primes of the form k!2+128, where k!2 is the double factorial number (A006852).
1
131, 233, 34459553, 654729203, 191898783962510753, 563862029680583509947947003, 2980227913743310874726229193922003
OFFSET
1,1
COMMENTS
The next term (a(8)) has 147 digits. - Harvey P. Dale, Apr 09 2020
LINKS
MATHEMATICA
MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
Select[Table[MultiFactorial[i, 2] + 128, {i, 0, 100}], PrimeQ[#]&]
Select[Range[100]!!+128, PrimeQ] (* Harvey P. Dale, Apr 09 2020 *)
CROSSREFS
Cf. A076194.
Sequence in context: A124308 A059702 A142442 * A033206 A107001 A142616
KEYWORD
nonn
AUTHOR
Robert Price, Jun 08 2017
STATUS
approved