login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A076319 Number of 7-colorable (i.e. chromatic number <= 7) simple graphs on n nodes. 6
1, 2, 4, 11, 34, 156, 1044, 12345, 274659 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

Eric Weisstein's World of Mathematics, n-Colorable Graph

CROSSREFS

Cf. A033995, A076315, A076316, A076317, A076318, A076320, A076321.

Sequence in context: A076317 A076318 A046750 * A178944 A076320 A076321

Adjacent sequences:  A076316 A076317 A076318 * A076320 A076321 A076322

KEYWORD

nonn,more

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Oct 06, 2002

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 14 13:08 EST 2012. Contains 205623 sequences.