A243253 Number of graphs with n nodes that are chordal and Eulerian.

1, 0, 1, 0, 3, 2, 13, 18, 116, 366, 2306, 13697

Offset

1,5

Links

Table of n, a(n) for n=1..12.

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

F. Hüffner, tinygraph, software for generating integer sequences based on graph properties, version 69d4186

Crossrefs

Cf. A048192 (chordal graphs), A003049 (Eulerian graphs).

Sequence in context: A060149 A059374 A098384 * A064536 A361456 A324012

Adjacent sequences: A243250 A243251 A243252 * A243254 A243255 A243256

Keyword

nonn,more

Author

Travis Hoppe and Anna Petrone, Jun 27 2014

Extensions

a(11) and a(12) added using tinygraph by Falk Hüffner, Jan 15 2016

Status

approved