A218886 Number of snarks of order 2n with a maximum of 4 components in any 2-factor.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 12, 189, 2306, 22943, 204463, 1957813, 19180074

Offset

1,12

Links

Table of n, a(n) for n=1..18.

Gunnar Brinkmann, Jan Goedgebeur, Jonas Hagglund and Klas Markstrom, Generation and properties of snarks, arXiv:1206.6690, 2012.

Crossrefs

Sequence in context: A166773 A202632 A285410 * A239294 A294409 A239776

Adjacent sequences: A218883 A218884 A218885 * A218887 A218888 A218889

Keyword

nonn

Author

N. J. A. Sloane, Nov 27 2012

Status

approved