Expansion of -x*(x+1)^2*(x^8-2*x^7+2*x^6-3*x^5+3*x^4+2*x^2-x+1) / (x^12+6*x^6-1).

Terms

a(0) =1a(1) =1a(2) =1a(3) =3a(4) =5a(5) =3a(6) =5a(7) =5a(8) =5a(9) =18a(10) =31a(11) =18a(12) =31a(13) =31a(14) =31a(15) =111a(16) =191a(17) =111a(18) =191a(19) =191a(20) =191a(21) =684a(22) =1177a(23) =684a(24) =1177a(25) =1177a(26) =1177a(27) =4215a(28) =7253a(29) =4215