A275618 Number of (1,2,2,2,2)-chromatic cubic graphs with 2n nodes.

0, 1, 1, 7, 74, 250, 3017, 25297, 332045, 4835964

Offset

2,4

Links

Table of n, a(n) for n=2..11.

Nicolas Gastineau and Olivier Togni, S-Packing Colorings of Cubic Graphs, arXiv:1403:7495 [cs.DM], 2016.

Crossrefs

Sequence in context: A106427 A106417 A137141 * A114472 A000901 A295245

Adjacent sequences: A275615 A275616 A275617 * A275619 A275620 A275621

Keyword

nonn,more

Author

N. J. A. Sloane, Aug 04 2016

Status

approved