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A139152
a(n) = (n!+5)/5.
4
25, 145, 1009, 8065, 72577, 725761, 7983361, 95800321, 1245404161, 17435658241, 261534873601, 4184557977601, 71137485619201, 1280474741145601, 24329020081766401, 486580401635328001, 10218188434341888001
OFFSET
5,1
LINKS
MATHEMATICA
Table[(n! + 5)/5, {n, 5, 30}]
KEYWORD
nonn
AUTHOR
Artur Jasinski, Apr 11 2008
EXTENSIONS
Name corrected by Amiram Eldar, Oct 14 2024
STATUS
approved