|
Search: id:A076323
|
|
|
| A076323 |
|
Number of connected 4-colorable (i.e. chromatic number <= 4) simple graphs on n nodes. |
|
+0
7
|
| |
|
|
OFFSET
|
1,3
|
|
|
LINKS
|
Eric Weisstein's World of Mathematics, n-Colorable Graph
|
|
CROSSREFS
|
Cf. A005142, A076322, A076324, A076325, A076326, A076327, A076328.
Sequence in context: A079455 A052433 A078566 this_sequence A136795 A074115 A013206
Adjacent sequences: A076320 A076321 A076322 this_sequence A076324 A076325 A076326
|
|
KEYWORD
|
nonn,more
|
|
AUTHOR
|
Eric Weisstein (eric(AT)weisstein.com), Oct 06, 2002
|
|
|
Search completed in 0.002 seconds
|
