A218883 Number of snarks of order 2n with a maximum of 2 odd components in any 2-factor.

0, 0, 0, 0, 1, 0, 0, 0, 2, 6, 20, 34, 179, 1395, 10039, 68811, 509106, 3752134

Offset

1,9

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: A064701 A368249 A181558 * A353699 A202963 A130315

Adjacent sequences: A218880 A218881 A218882 * A218884 A218885 A218886

Keyword

nonn

Author

N. J. A. Sloane, Nov 26 2012

Status

approved