A219748 Number of cubic plane graphs with 2n nodes, minimal face size 4 and maximal face size 6.

0, 0, 1, 1, 2, 4, 7, 10, 22, 32, 58, 92, 151, 227, 368, 530, 805, 1158, 1695, 2373, 3354, 4595, 6340, 8480, 11417, 15049, 19832, 25719, 33258, 42482, 54184, 68271, 85664, 106817, 132535, 163194, 200251, 244387, 296648, 358860, 431578, 517533, 617832

Offset

2,5

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: A173730 A036685 A034744 * A121352 A134126 A277340

Adjacent sequences: A219745 A219746 A219747 * A219749 A219750 A219751

Keyword

nonn

Author

N. J. A. Sloane, Nov 27 2012

Status

approved