OFFSET
0,1
COMMENTS
a(n)= A038165(2*n+1).
FORMULA
a(n)= binomial(n+7, 7)*(4*n^2+41*n+90)/18.
G.f.: (5+10*x+x^2)/(1-x)^10.
MATHEMATICA
CoefficientList[Series[(5+10x+x^2)/(1-x)^10, {x, 0, 50}], x] (* Harvey P. Dale, Mar 01 2011 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Feb 02 2001
STATUS
approved