A059596 Eighth column (m=7) of convolution triangle A059594(n,m).

1, 8, 44, 184, 654, 2040, 5772, 15048, 36693, 84448, 184976, 387872, 782680, 1525920, 2884560, 5302368, 9502014, 16635792, 28509272, 47902192, 79030348, 128192240, 204676056, 322002576, 499629966

Offset: 0

Author

Wolfdieter Lang, Feb 02 2001

Keywords

• nonn

Formula

G.f.: 1/((1-x^2)*(1-x))^8.

a(2*k)=binomial(k+11, 11)* (16*k^4+384*k^3+2936*k^2+7584*k+4095)/(15*7*13*3);

a(2*k+1)= binomial(k+12, 12)*8*(2*k+5)*(2*k+13)*(2*k+21)/(15*7*13), k >= 0.