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A218881 Number of permutation snarks of order 2n. 0
0, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 64, 0, 0, 0, 10771, 0 (list; graph; refs; listen; history; text; internal format)
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

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Last modified January 28 15:41 EST 2023. Contains 359895 sequences. (Running on oeis4.)