A275617 Number of (1,2,2,2)-chromatic cubic graphs with 2n nodes.

1, 1, 2, 11, 11, 254, 1031, 15960, 178193, 2481669

Offset

2,3

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: A290394 A292779 A245521 * A090009 A153706 A201187

Adjacent sequences: A275614 A275615 A275616 * A275618 A275619 A275620

Keyword

nonn,more

Author

N. J. A. Sloane, Aug 04 2016

Status

approved