A204186 Number of trivalent connected (or cubic) graphs with 2n nodes that are not planar.

0, 0, 1, 2, 10, 53, 376, 3379, 37408, 485680, 7150241, 116726073, 2085446355

Offset

1,4

Links

Table of n, a(n) for n=1..13.

F. C. Bussemaker, S. Cobeljic, L. M. Cvetkovic and J. J. Seidel, Computer investigations of cubic graphs, T.H.-Report 76-WSK-01, Technological University Eindhoven, Dept. Mathematics, 1976.

Crossrefs

Equals A002851 - A005964.

Sequence in context: A247102 A370390 A009320 * A009322 A192697 A102536

Adjacent sequences: A204183 A204184 A204185 * A204187 A204188 A204189

Keyword

nonn,more

Author

N. J. A. Sloane, Jan 12 2012

Status

approved