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

Terms

a(0) =1a(1) =3a(2) =6a(3) =8a(4) =5a(5) =-9a(6) =-38a(7) =-76a(8) =-95a(9) =-37a(10) =174a(11) =576a(12) =1053a(13) =1183a(14) =162a(15) =-2964a(16) =-8455a(17) =-14269a(18) =-14154a(19) =2872a(20) =48437a(21) =122311a(22) =190442a(23) =161700a(24) =-111663a(25) =-765909a(26) =-1743554a(27) =-2497872a(28) =-1720371a(29) =2544239