A243329 Number of simple connected graphs with n nodes that are integral and distance regular.

1, 1, 1, 2, 1, 4, 1, 4, 3, 6

Offset

1,4

Links

Table of n, a(n) for n=1..10.

Travis Hoppe and Anna Petrone, Encyclopedia of Finite Graphs

T. Hoppe and A. Petrone, Integer sequence discovery from small graphs, arXiv preprint arXiv:1408.3644, 2014

Crossrefs

Cf. A241814 (distance regular graphs), A064731 (integral graphs).

Sequence in context: A319713 A063717 A024994 * A051953 A079277 A066452

Adjacent sequences: A243326 A243327 A243328 * A243330 A243331 A243332

Keyword

nonn,more

Author

Travis Hoppe and Anna Petrone, Jun 03 2014

Status

approved