OFFSET
0,2
COMMENTS
Sums of rows of the triangle in A132121.
LINKS
Index entries for linear recurrences with constant coefficients, signature (6,-15,20,-15,6,-1).
FORMULA
G.f.: x*(3 + 15*x + 11*x^2 + x^3)/(1-x)^6. - Emeric Deutsch, Aug 19 2007
MAPLE
seq((1/12)*n*(n+1)^2*(3*n^2+4*n+2), n=0..32); # Emeric Deutsch, Aug 19 2007
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Reinhard Zumkeller, Aug 12 2007
STATUS
approved