Triangle of coefficients of a sequence of polynomials related to the enumeration of linear labeled rooted trees.

A194649

Triangle of coefficients of a sequence of polynomials related to the enumeration of linear labeled rooted trees.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =4a(4) =13a(5) =36a(6) =24a(7) =75a(8) =316a(9) =432a(10) =192a(11) =541a(12) =3060a(13) =6360a(14) =5760a(15) =1920a(16) =4683a(17) =33244a(18) =92880a(19) =127680a(20) =86400a(21) =23040a(22) =47293a(23) =403956a(24) =1418424a(25) =2620800a(26) =2688000a(27) =1451520a(28) =322560a(29) =545835

External references