Reversion of y - y^2 + y^4 + y^5.

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =4a(5) =7a(6) =7a(7) =-20a(8) =-177a(9) =-842a(10) =-3245a(11) =-10920a(12) =-32396a(13) =-81781a(14) =-151606a(15) =-32368a(16) =1528436a(17) =10115847a(18) =46911627a(19) =182321874a(20) =618736524a(21) =1821588615a(22) =4363335060a(23) =6280838340a(24) =-12403999335a(25) =-158989515204a(26) =-893044400094