Expansion of 1/((1 - x)^9 - x^9).

Terms

a(0) =1a(1) =9a(2) =45a(3) =165a(4) =495a(5) =1287a(6) =3003a(7) =6435a(8) =12870a(9) =24311a(10) =43776a(11) =75753a(12) =127110a(13) =209475a(14) =346104a(15) =591261a(16) =1081575a(17) =2163150a(18) =4686826a(19) =10656387a(20) =24582663a(21) =56191734a(22) =125640180a(23) =273241161a(24) =577147212a(25) =1184959314a(26) =2369918628a(27) =4631710931a(28) =8881943832a(29) =16798969548