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A053426
Pure 2-complexes on n nodes with at most 3 multiple 2-simplexes.
0
1, 1, 4, 35, 10688, 1533771392, 234249157811872000, 128777207192421762546956433408, 1031041719465866666816675423468078224724119552
OFFSET
1,3
CROSSREFS
Sequence in context: A268427 A123745 A183882 * A172282 A120083 A110219
KEYWORD
easy,nonn
AUTHOR
Vladeta Jovovic, Jan 11 2000
STATUS
approved