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A214327 Number of nontrivial (triangle-free and girth >=5) stable snarks on 2n nodes. 0
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 1, 7, 25, 228, 1456 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,11

LINKS

Table of n, a(n) for n=1..16.

J. Hagglund and K. Markstrom, On stable cycles and cycle double covers of graphs with large circumference, Discrete Math., 312 (2012), 2540-2544.

Eric Weisstein's World of Mathematics, Snark

CROSSREFS

Cf. A130315.

Sequence in context: A009281 A141516 A235378 * A320519 A183272 A138346

Adjacent sequences:  A214324 A214325 A214326 * A214328 A214329 A214330

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Jul 26 2012

STATUS

approved

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Last modified October 15 05:43 EDT 2019. Contains 328026 sequences. (Running on oeis4.)