OFFSET
1,5
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..135
Hisanori Mishima, Appendix 1. Factorization results for n!-1
MATHEMATICA
Table[ Length[ FactorInteger[ n! - 1]], {n, 1, 30}]
CROSSREFS
KEYWORD
hard,nonn
AUTHOR
Robert G. Wilson v, Jan 21 2002
EXTENSIONS
a(52) corrected and more terms added by Amiram Eldar, Oct 03 2019
STATUS
approved