OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, n-Colorable Graph
FORMULA
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Oct 06 2002
EXTENSIONS
a(10)-a(11) from Andrew Howroyd, Dec 02 2018
a(12) from Brendan McKay, Jan 19 2020
a(13) from Brendan McKay, Nov 08 2022
STATUS
approved