Expansion of (1+x-2*x^2) / (1-x-6*x^2+2*x^3).

Terms

a(0) =1a(1) =2a(2) =6a(3) =16a(4) =48a(5) =132a(6) =388a(7) =1084a(8) =3148a(9) =8876a(10) =25596a(11) =72556a(12) =208380a(13) =592524a(14) =1697692a(15) =4836076a(16) =13837180a(17) =39458252a(18) =112809180a(19) =321884332a(20) =919822908a(21) =2625510540a(22) =7500679324a(23) =21414096748a(24) =61167151612a(25) =174650373452a(26) =498825089628