A061184 Fifth (m=4) column of triangle A060921 (bisection of Fibonacci triangle, odd part).

5, 65, 511, 3130, 16435, 77645, 339535, 1399478, 5504650, 20845300, 76495450, 273381350, 955187033, 3272875935, 11024814945, 36584603310, 119796766005, 387639512331, 1240994295715, 3934750789180

Offset: 0

Author

Wolfdieter Lang, Apr 20 2001

Keywords

• nonn
• easy

Comments

Numerator polynomial of g.f. is sum(A061177(4,m)*x^m,m=0..4).

Crossrefs

4*A061183.

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.