Vertically decomposable lattices on n unlabeled nodes.

A058802

Vertically decomposable lattices on n unlabeled nodes.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =8a(4) =26a(5) =96a(6) =414a(7) =2040a(8) =11432a(9) =72022a(10) =503973a(11) =3875329a(12) =32429747a(13) =292872455a(14) =2834089224a(15) =29209213572a(16) =318979706486

External references