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

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =7a(5) =22a(6) =60a(7) =162a(8) =473a(9) =1465a(10) =4578a(11) =14224a(12) =44408a(13) =140531a(14) =449996a(15) =1450407a(16) =4694301a(17) =15261377a(18) =49862599a(19) =163657964a(20) =539184034a(21) =1782138593a(22) =5908144584a(23) =19642553910a(24) =65477113438a(25) =218787673536a(26) =732673507541