OFFSET
0,2
FORMULA
a(n) = n^2*a(n-1)+n. - Vladeta Jovovic, Apr 13 2003
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Brian Wallace (wallacebrianedward(AT)yahoo.co.uk), May 18 2001
EXTENSIONS
Corrected and extended by Matthew Conroy, May 22 2001
STATUS
approved