Expansion of 1/(1 - x - x^2 + x^3 - x^7 + x^9 - x^11).

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =3a(5) =3a(6) =4a(7) =5a(8) =7a(9) =9a(10) =12a(11) =16a(12) =21a(13) =28a(14) =37a(15) =50a(16) =66a(17) =88a(18) =116a(19) =154a(20) =203a(21) =269a(22) =356a(23) =472a(24) =625a(25) =828a(26) =1097a(27) =1453a(28) =1925a(29) =2550