Expansion of (1+x) / (1-2*x-4*x^2+2*x^3).

Terms

a(0) =1a(1) =3a(2) =10a(3) =30a(4) =94a(5) =288a(6) =892a(7) =2748a(8) =8488a(9) =26184a(10) =80824a(11) =249408a(12) =769744a(13) =2375472a(14) =7331104a(15) =22624608a(16) =69822688a(17) =215481600a(18) =665004736a(19) =2052290496a(20) =6333636736a(21) =19546425984a(22) =60322817920a(23) =186164066304a(24) =574526552320