0,3

Index entries for sequences related to trees

zf"+f'=1/(1-f).

a(n) = Sum_{k=0..n-1} binomial(n, k)^2*a(k)*a(n-k-1). - Vladeta Jovovic (vladeta(AT)eunet.rs), Oct 22 2005

Sequence in context: A113055 A020468 A093946 this_sequence A120608 A143766 A132549

Adjacent sequences: A001056 A001057 A001058 this_sequence A001060 A001061 A001062

nonn

Helmut Prodinger [ Helmut.Prodinger(AT)inria.fr ]