A218881 Number of permutation snarks of order 2n.

0, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 64, 0, 0, 0, 10771, 0

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: A029696 A118887 A057383 * A169772 A193542 A193545

Adjacent sequences: A218878 A218879 A218880 * A218882 A218883 A218884

Keyword

nonn

Author

N. J. A. Sloane, Nov 26 2012

Status

approved