A084281 Number of labeled 5-colorable (i.e., chromatic number <= 5) graphs on n nodes.

1, 2, 8, 64, 1024, 32767, 2096731, 268232643, 68572495926, 35005772219631, 35642624717803839

Offset: 1

Author

Eric W. Weisstein, May 25 2003

Keywords

• nonn
• more

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

Cf. A047864, A084279, A084280, A084282.

Extensions

a(7)-a(11) added using tinygraph by Falk Hüffner, Jun 20 2018