A219747 Number of cubic plane graphs with 2n nodes, minimal face size 3 and maximal face size 6.

1, 1, 1, 4, 8, 11, 23, 34, 54, 83, 125, 174, 267, 365, 509, 706, 963, 1270, 1708, 2204, 2876, 3695, 4708, 5925, 7491, 9255, 11463, 14083, 17223, 20857, 25304, 30273, 36347, 43225, 51229, 60426, 71326, 83182, 97426, 113239, 131425, 151826, 175302

Offset

2,4

Links

Table of n, a(n) for n=2..44.

Gunnar Brinkmann, Jan Goedgebeur, Jonas Hagglund and Klas Markstrom, Generation and properties of snarks, arXiv:1206.6690, 2012.

Crossrefs

Sequence in context: A233188 A220753 A166550 * A032819 A181684 A126006

Adjacent sequences: A219744 A219745 A219746 * A219748 A219749 A219750

Keyword

nonn

Author

N. J. A. Sloane, Nov 27 2012

Status

approved