Expansion of 1/(1 - Sum_{k>=1} x^k/(1 - x^(2*k))).

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =10a(5) =22a(6) =48a(7) =103a(8) =222a(9) =481a(10) =1038a(11) =2241a(12) =4842a(13) =10456a(14) =22582a(15) =48776a(16) =105342a(17) =227514a(18) =491386a(19) =1061281a(20) =2292132a(21) =4950510a(22) =10692006a(23) =23092378a(24) =49874474a(25) =107717891a(26) =232646956a(27) =502466304a(28) =1085216744a(29) =2343829586