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

Terms

a(0) =1a(1) =-1a(2) =2a(3) =0a(4) =2a(5) =2a(6) =5a(7) =5a(8) =12a(9) =16a(10) =28a(11) =44a(12) =73a(13) =115a(14) =190a(15) =304a(16) =494a(17) =798a(18) =1293a(19) =2089a(20) =3384a(21) =5472a(22) =8856a(23) =14328a(24) =23185a(25) =37511a(26) =60698a(27) =98208a(28) =158906a(29) =257114