OFFSET

1,2

COMMENTS

A graph is weakly perfect if it has equal chromatic and clique numbers.

First differs from A287007 (fractional chromatic number equals chromatic number) at a(8). - Eric W. Weisstein, May 17 2017

LINKS

F. Hüffner, tinygraph, software for generating integer sequences based on graph properties, version 4361e42

Eric Weisstein's World of Mathematics, Weakly Perfect Graph

CROSSREFS

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Feb 19 2013

EXTENSIONS

a(10) from Eric W. Weisstein, May 17 2017

a(11) added using tinygraph by Falk Hüffner, Aug 13 2017

a(12) added using tinygraph by Jakub Jablonski, Sep 26 2020

STATUS

approved