OFFSET
5,2
FORMULA
Empirical (for n>=10): a(n) = 1026*n^4 - 20236*n^3 + 152815*n^2 - 529236*n + 720920. - Vaclav Kotesovec, Nov 30 2012
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 14 2009
STATUS
approved