0,4

F. Bergeron, G. Labelle and P. Leroux, Combinatorial Species and Tree-Like Structures, Cambridge, 1998, pg 57 (1.4.70).

Index entries for sequences related to posets

Cf. A000112. Euler transform of A066305.

Sequence in context: A066764 A059171 A078619 this_sequence A145776 A066165 A119838

Adjacent sequences: A066301 A066302 A066303 this_sequence A066305 A066306 A066307

nonn,more

Christian G. Bower (bowerc(AT)usa.net), Dec 12 2001