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

Terms

a(0) =1a(1) =2a(2) =7a(3) =28a(4) =121a(5) =546a(6) =2531a(7) =11934a(8) =56867a(9) =272580a(10) =1309505a(11) =6285630a(12) =30057195a(13) =142754008a(14) =671062828a(15) =3108766166a(16) =14108600499a(17) =62170980416a(18) =262108536781