OFFSET
3,1
LINKS
R. H. Hardin, Table of n, a(n) for n=3..34
FORMULA
Empirical (for n>=3): a(n) = 1/288*(519*n^8 - 6716*n^7 + 34142*n^6 - 78248*n^5 + 32735*n^4 + 236596*n^3 - 555412*n^2 + 518112*n - 185184). - Vaclav Kotesovec, Nov 30 2012
Empirical G.f.: -x^2 + x^2*(-1 - 722*x^2 - 12589*x^3 - 36357*x^4 - 22846*x^5 - 692*x^6 + 535*x^7 + 12*x^8)/(-1+x)^9. - Vaclav Kotesovec, Nov 30 2012
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 11 2009
STATUS
approved