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

Terms

a(0) =1a(1) =0a(2) =0a(3) =1a(4) =4a(5) =10a(6) =23a(7) =63a(8) =200a(9) =636a(10) =1950a(11) =5951a(12) =18579a(13) =59228a(14) =190281a(15) =612508a(16) =1979024a(17) =6433208a(18) =21034032a(19) =69067413a(20) =227542366a(21) =751996934a(22) =2493060757a(23) =8289425078a(24) =27634504807a(25) =92342177900a(26) =309240130680