OFFSET
1,2
LINKS
F. Hüffner, tinygraph, software for generating integer sequences based on graph properties, version 8c665c7
Eric Weisstein's World of Mathematics, n-Colorable Graph
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, May 25 2003
EXTENSIONS
a(7) from Charles R Greathouse IV, Apr 09 2012
a(8)-a(11) added using tinygraph by Falk Hüffner, Jun 20 2018
STATUS
approved