A219746 - OEIS

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A219746

Number of snarks of order 2n with automorphism group of order 2.

0

0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 11, 9, 75, 290, 1924, 13284, 143783, 1950129

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OFFSET

1,11

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: A196003 A072208 A210284 * A335854 A220664 A038323

Adjacent sequences: A219743 A219744 A219745 * A219747 A219748 A219749

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Nov 27 2012

STATUS

approved