OFFSET

1,3

LINKS

F. Hüffner, tinygraph, software for generating integer sequences based on graph properties, version 6e0a59d

Tim Kemp, An algorithmic approach to a conjecture of Chvátal on toughness and hamiltonicity of graphs, M. Sc. Thesis, University of Twente (Netherlands, 2020).

B. D. McKay, Chordal graphs

Eric Weisstein's World of Mathematics, Chordal Graph

Eric Weisstein's World of Mathematics, Connected Graph

FORMULA

Inverse Euler transform of A048193. - Andrew Howroyd, Nov 03 2017

CROSSREFS

KEYWORD

nonn,nice,more

AUTHOR

EXTENSIONS

a(12) added by Gordon F. Royle, Aug 05 2008

a(13) and a(14) added using tinygraph by Falk Hüffner, Jan 15 2016

a(15) added by Brendan McKay, Jan 07 2019

STATUS

approved