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

Terms

a(0) =1a(1) =3a(2) =7a(3) =17a(4) =41a(5) =97a(6) =229a(7) =541a(8) =1277a(9) =3013a(10) =7109a(11) =16773a(12) =39573a(13) =93365a(14) =220277a(15) =519701a(16) =1226133a(17) =2892821a(18) =6825045a(19) =16102357a(20) =37990357a(21) =89630805a(22) =211466325a(23) =498913365a(24) =1177088341a(25) =2777109333a(26) =6552045397a(27) =15458267477a(28) =36470753621a(29) =86045598037