|
|
A051855
|
|
Numbers n such that (n!)^4+1 is prime.
|
|
2
|
|
|
|
OFFSET
|
1,3
|
|
LINKS
|
|
|
MATHEMATICA
|
|
|
PROG
|
(PARI) isok(n) = isprime(n!^4 + 1); \\ Michel Marcus, Aug 15 2013
(Magma) [n: n in [1..300] | IsPrime(Factorial(n)^4+1)]; // Vincenzo Librandi, Aug 15 2013
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Andrew Walker (ajw01(AT)uow.edu.au), Dec 13 1999
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|