A275620 Number of (1,1,2)-chromatic cubic graphs with 2n nodes.

0, 0, 2, 9, 42, 314, 2808, 32766, 423338, 6212201

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: A222472 A351882 A132847 * A121365 A018960 A371125

Adjacent sequences: A275617 A275618 A275619 * A275621 A275622 A275623

Keyword

nonn,more

Author

N. J. A. Sloane, Aug 04 2016

Status

approved