A357447 Number of connected cubic simple graphs on 2n unlabeled nodes with a unique 3-edge-coloring up to edge-Kempe equivalence.

1, 1, 4, 9, 44, 188, 1258, 8917, 75630, 680055, 6496848, 63963867, 644968468, 6606598953

Offset

2,3

Links

Table of n, a(n) for n=2..15.

Jan Goedgebeur and Patric R. J. Östergård, Switching 3-Edge-Colorings of Cubic Graphs, arXiv:2105.01363 [math.CO], May 2021. See Table 1.

Crossrefs

Cf. A002851.

Sequence in context: A239853 A209079 A149170 * A024053 A197970 A048892

Adjacent sequences: A357444 A357445 A357446 * A357448 A357449 A357450

Keyword

nonn,more

Author

N. J. A. Sloane, Nov 08 2022

Extensions

Name corrected by Harry Richman, Oct 13 2025

Status

approved