1,4

Table of n, a(n) for n=1..28.

Index entries for sequences related to rooted trees

G.f.: x+x*B(x) where B(x) is g.f. of CycleBG transform of A106361.

CycleBG transform T(A) = invMOEBIUS(invEULER(Carlitz(A)) + A(x^2) - A) + A.

Carlitz transform T(A(x)) has g.f. 1/(1-sum(k>0, (-1)^(k+1)*A(x^k))).

Cf. A003239, A106363.

Sequence in context: A128933 A173781 A340825 * A271896 A148109 A099216

Adjacent sequences: A106359 A106360 A106361 * A106363 A106364 A106365

nonn

Christian G. Bower, Apr 29 2005

approved