2,4
Table of n, a(n) for n=2..15.
Jan Goedgebeur and Patric R. J. Ostergard, Switching 3-Edge-Colorings of Cubic Graphs, arXiv:2105:01363 [math.CO], May 2021. See Table 1.
Cf. A002851.
Sequence in context: A254429 A298945 A027303 * A356772 A307143 A052695
Adjacent sequences: A357443 A357444 A357445 * A357447 A357448 A357449
nonn,more
N. J. A. Sloane, Nov 08 2022
approved