A218881 - OEIS

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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

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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: A372353 A372359 A057383 * A169772 A193542 A193545

Adjacent sequences: A218878 A218879 A218880 * A218882 A218883 A218884

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Nov 26 2012

STATUS

approved