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

Terms

a(0) =1a(1) =-1a(2) =5a(3) =1a(4) =19a(5) =30a(6) =102a(7) =242a(8) =666a(9) =1718a(10) =4555a(11) =11937a(12) =31435a(13) =82615a(14) =217301a(15) =571372a(16) =1502572a(17) =3951188a(18) =10390340a(19) =27322972a(20) =71850149a(21) =188941251a(22) =496850977a(23) =1306548125a(24) =3435774983a(25) =9034913514a(26) =23758733842a(27) =62477347430a(28) =164294064510a(29) =432037221810