OFFSET
0,1
COMMENTS
Numerator polynomial of g.f. is sum(A061177(5,m)*x^m,m=0..5)/2.
FORMULA
a(n)= A060921(n+5, 5)/2.
G.f.: (3*(1-x^5)-5*(x-x^4)+3*(x^2-x^3))/(1-3*x+x^2)^6.
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Apr 20 2001
STATUS
approved