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A241840
Number of simple connected graphs on n nodes that are not distance-regular.
0
0, 0, 1, 4, 19, 108, 851, 11112, 261076, 11716564
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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
Eric Weisstein's World of Mathematics,
Distance-Regular Graph
FORMULA
a(n) =
A001349
(n) -
A241814
(n).
CROSSREFS
Cf.
A001349
,
A241814
.
Sequence in context:
A091643
A323620
A306183
*
A199318
A117397
A004212
Adjacent sequences:
A241837
A241838
A241839
*
A241841
A241842
A241843
KEYWORD
nonn
,
less
AUTHOR
Travis Hoppe
and
Anna Petrone
, Apr 29 2014
STATUS
approved
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Last modified September 17 05:28 EDT 2024. Contains 375985 sequences. (Running on oeis4.)