|
| |
|
|
A076315
|
|
Number of 3-colorable (i.e. chromatic number <= 3) simple graphs on n nodes.
|
|
6
| | |
|
|
|
OFFSET
| 1,2
|
|
|
LINKS
| Eric Weisstein's World of Mathematics, n-Colorable Graph
|
|
|
CROSSREFS
| Cf. A033995, A076316, A076317, A076318, A076319, A076320, A076321.
Sequence in context: A086631 A047051 A126349 * A102667 A148115 A148116
Adjacent sequences: A076312 A076313 A076314 * A076316 A076317 A076318
|
|
|
KEYWORD
| nonn,more
|
|
|
AUTHOR
| Eric Weisstein (eric(AT)weisstein.com), Oct 06, 2002
|
| |
|
|
