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

Terms

a(0) =1a(1) =6a(2) =21a(3) =56a(4) =128a(5) =270a(6) =552a(7) =1122a(8) =2280a(9) =4612a(10) =9243a(11) =18330a(12) =36027a(13) =70352a(14) =136752a(15) =264860a(16) =511280a(17) =983796a(18) =1887232a(19) =3610248a(20) =6889317a(21) =13117918a(22) =24928625a(23) =47287656a(24) =89551088a(25) =169324234a(26) =319698936a(27) =602813046a(28) =1135232744a(29) =2135427564