0,4

G. Labelle, C. Lamathe and P. Leroux, Labeled and unlabeled enumeration of k-gonal 2-trees

Cf. A054581.

Sequence in context: A007841 A036760 A000985 this_sequence A052442 A001586 A126201

Adjacent sequences: A094608 A094609 A094610 this_sequence A094612 A094613 A094614

nonn

Vladeta Jovovic (vladeta(AT)eunet.rs), Jun 06 2004