

A121931


Numbers n such that (n!)^8 + 1 is prime.


0




OFFSET

1,3


COMMENTS

Corresponding primes of the form (n!)^8 + 1 are {2,2,257,...}.


LINKS



MATHEMATICA

Do[f=(n!)^8+1; If[PrimeQ[f], Print[{n, f}]], {n, 1, 75}]


CROSSREFS



KEYWORD

more,nonn,hard


AUTHOR



EXTENSIONS



STATUS

approved



