A050912 Number of pure 2-complexes on 7 unlabeled nodes with n multiple 2-simplexes.

1, 1, 4, 14, 62, 272, 1307, 6178, 28687, 127074, 534414, 2125086, 8003063, 28603253, 97334199, 316359888, 985253099, 2948785272, 8504664978, 23695762074, 63924853698, 167320196102, 425715789486, 1054686008982

Offset

0,3

Links

Andrew Howroyd, Table of n, a(n) for n = 0..500

Crossrefs

Column m=7 of A305027.

Cf. A001400, A014395.

Sequence in context: A259104 A082033 A009339 * A250399 A149494 A322206

Adjacent sequences: A050909 A050910 A050911 * A050913 A050914 A050915

Keyword

nonn

Author

Vladeta Jovovic, Dec 29 1999

Status

approved