Expansion of 1/((1-2*x)*(1-3*x+3*x^2)*(1-4*x+6*x^2-4*x^3)).

Terms

a(0) =1a(1) =9a(2) =46a(3) =175a(4) =551a(5) =1520a(6) =3811a(7) =8921a(8) =19922a(9) =43211a(10) =92363a(11) =196608a(12) =419295a(13) =897565a(14) =1926458a(15) =4135255a(16) =8854359a(17) =18875392a(18) =40024059a(19) =84417521a(20) =177221602a(21) =370688979a(22) =773342163a(23) =1610612736a(24) =3350668423a(25) =6964989333a(26) =14466833194a(27) =30021724351a(28) =62233946303