A053426 Pure 2-complexes on n nodes with at most 3 multiple 2-simplexes.

1, 1, 4, 35, 10688, 1533771392, 234249157811872000, 128777207192421762546956433408, 1031041719465866666816675423468078224724119552

Offset

1,3

Links

Table of n, a(n) for n=1..9.

Crossrefs

Cf. A000665, A337884.

Sequence in context: A268427 A123745 A183882 * A172282 A120083 A110219

Adjacent sequences: A053423 A053424 A053425 * A053427 A053428 A053429

Keyword

easy,nonn

Author

Vladeta Jovovic, Jan 11 2000

Status

approved