OFFSET
0,1
COMMENTS
Numerator polynomial of g.f. is sum(A061177(4,m)*x^m,m=0..4).
FORMULA
a(n)= A060921(n+4, 4).
G.f.: (5*(1+x^4)-10*(x+x^3)+11*x^2)/(1-3*x+x^2)^5.
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Apr 20 2001
STATUS
approved