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A243272 Number of graphs with n nodes that are Hamiltonian and Eulerian. 0
1, 0, 1, 1, 2, 5, 21, 120, 1312, 26525, 1073690, 84471633 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,5
LINKS
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 [math.CO], 2014.
F. Hüffner, tinygraph, software for generating integer sequences based on graph properties, version a1db88e
CROSSREFS
Cf. A003216 (Hamiltonian graphs), A003049 (Eulerian graphs).
Sequence in context: A328286 A078480 A212922 * A139153 A180998 A144271
KEYWORD
nonn,more
AUTHOR
Travis Hoppe and Anna Petrone, Jun 02 2014
EXTENSIONS
a(10)-a(11) added using tinygraph by Falk Hüffner, Aug 15 2017
STATUS
approved

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Last modified March 28 16:28 EDT 2024. Contains 371254 sequences. (Running on oeis4.)