OFFSET
1,3
LINKS
Eric Weisstein's World of Mathematics, n-Colorable Graph
FORMULA
Inverse Euler transform of A076320. - Andrew Howroyd, Dec 02 2018
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Oct 06 2002
EXTENSIONS
a(10)-a(11) from Andrew Howroyd, Dec 02 2018
STATUS
approved