OFFSET
0,3
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,5,6,1).
FORMULA
a(n)=sum{k=0..floor(5n/3), binomial(k, 5n-3k)}.
a(n)=A017817(5n).
G.f.: (1+x)*(x^2+x-1) / ( -1+5*x^2+6*x^3+x^4 ). - R. J. Mathar, Feb 19 2015
CROSSREFS
KEYWORD
easy,nonn,less
AUTHOR
Paul Barry, Sep 29 2004
STATUS
approved