OFFSET
1,2
COMMENTS
An odd prime p can't be in this sequence because it only has two divisors and 2! does not divide p.
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[Range[1000], Mod[DivisorSigma[0, #]!, #] == 0 &]
PROG
(Magma) [ n: n in [1..1000] | Factorial(#Divisors(n)) mod n eq 0 ];
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert Wintner, Nov 22 2010
STATUS
approved