A059597 Ninth column (m=8) of convolution triangle A059594(n,m).

1, 9, 54, 246, 945, 3177, 9648, 26928, 70092, 171820, 399960, 889560, 1900380, 3915900, 7811280, 15129168, 28526562, 52480242, 94386908, 166242780, 287179794, 487227906, 812840976, 1334891664, 2160134700

Offset: 0

Author

Wolfdieter Lang, Feb 02 2001

Keywords

• nonn

Formula

G.f.: 1/((1-x^2)*(1-x))^9.

a(2*k)= binomial(k+13, 13)*(8*k^4+190*k^3+1414*k^2+3488*k+1785)/(17*15*7);

a(2*k+1)= binomial(k+13, 13)*(8*k^4+258*k^3+2842*k^2+12192*k+16065)/(17*15*7), k >= 0.