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

Terms

a(0) =1a(1) =-3a(2) =6a(3) =-10a(4) =16a(5) =-27a(6) =49a(7) =-92a(8) =172a(9) =-316a(10) =573a(11) =-1035a(12) =1874a(13) =-3406a(14) =6204a(15) =-11303a(16) =20577a(17) =-37432a(18) =68072a(19) =-123800a(20) =225193a(21) =-409683a(22) =745342a(23) =-1355970a(24) =2466760a(25) =-4487395a(26) =8163217a(27) =-14850196a(28) =27015092a(29) =-49145300