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

Terms

a(0) =1a(1) =3a(2) =10a(3) =33a(4) =106a(5) =342a(6) =1102a(7) =3549a(8) =11431a(9) =36816a(10) =118573a(11) =381888a(12) =1229944a(13) =3961272a(14) =12758041a(15) =41089731a(16) =132337402a(17) =426218121a(18) =1372717642a(19) =4421101854a(20) =14239010998a(21) =45859480485a(22) =147699299527a(23) =475694073504