A076283 Number of 7-chromatic (i.e., chromatic number equals 7) simple graphs on n nodes.

0, 0, 0, 0, 0, 0, 1, 7, 118, 4251, 393963

Offset: 1

Author

Eric W. Weisstein, Oct 06 2002

Keywords

• nonn
• more

Links

• Eric Weisstein's World of Mathematics, n-Chromatic Graph

Crossrefs

Column k=7 of A084268.

Cf. A076278, A076279, A076280, A076281, A076282.

Extensions

a(10)-a(11) from Michael Sollami, Jan 28 2012