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

Terms

a(0) =1a(1) =1a(2) =2a(3) =7a(4) =26a(5) =98a(6) =387a(7) =1589a(8) =6688a(9) =28676a(10) =124880a(11) =550926a(12) =2456831a(13) =11056693a(14) =50152457a(15) =229050621a(16) =1052393802a(17) =4861062466a(18) =22559964766a(19) =105144660498a(20) =491922058878