A282741 Number of nonisomorphic bipartite (0,2)-graphs with valency n.

1, 1, 1, 1, 2, 4, 13, 40, 104

Offset

0,5

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.

Crossrefs

Cf. A202592.

Sequence in context: A163137 A093630 A033091 * A133453 A085422 A264630

Adjacent sequences: A282738 A282739 A282740 * A282742 A282743 A282744

Keyword

nonn,more

Author

N. J. A. Sloane, Mar 04 2017

Status

approved