Expansion of (1/x) * Series_Reversion( x * (1+x)^3 / (1+x+x^2)^4 ).
A372383
Expansion of (1/x) * Series_Reversion( x * (1+x)^3 / (1+x+x^2)^4 ).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =13a(4) =63a(5) =225a(6) =1069a(7) =4425a(8) =21008a(9) =93927a(10) =449574a(11) =2099993a(12) =10161845a(13) =48761421a(14) =238544091a(15) =1165258909a(16) =5756929854a(17) =28480358700a(18) =141911407403a(19) =708766944499
External references
- oeis: A372383