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A243329 Number of simple connected graphs with n nodes that are integral and distance regular. 0
1, 1, 1, 2, 1, 4, 1, 4, 3, 6 (list; graph; refs; listen; history; text; internal format)
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

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Last modified October 14 08:54 EDT 2019. Contains 327995 sequences. (Running on oeis4.)