A282742 Number of nonisomorphic nonbipartite (0,2)-graphs with valency n.

0, 0, 0, 1, 1, 4, 11, 56, 198

Offset

0,6

Links

Table of n, a(n) for n=0..8.

Andries E. Brouwer, and Patric R. J. Östergård, Classification of the (0, 2)-graphs of valency 8, Discrete Mathematics 309.3 (2009): 532-547.

Formula

a(n) = A202592(n) - A282741(n). - Andrew Howroyd, Feb 21 2024

Crossrefs

Cf. A202592, A282741.

Sequence in context: A262006 A209110 A363664 * A032181 A203577 A081073

Adjacent sequences: A282739 A282740 A282741 * A282743 A282744 A282745

Keyword

nonn,more

Author

N. J. A. Sloane, Mar 04 2017

Status

approved