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

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =8a(6) =29a(7) =85a(8) =215a(9) =517a(10) =1315a(11) =3719a(12) =11216a(13) =33840a(14) =99282a(15) =284972a(16) =817161a(17) =2381021a(18) =7070080a(19) =21220132a(20) =63781443a(21) =191222879a(22) =572686456a(23) =1719262030a(24) =5185559991a(25) =15711884201a(26) =47748474606a(27) =145325700586a(28) =442724886406