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A084281
Number of labeled 5-colorable (i.e., chromatic number <= 5) graphs on n nodes.
4
1, 2, 8, 64, 1024, 32767, 2096731, 268232643, 68572495926, 35005772219631, 35642624717803839
OFFSET
1,2
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
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, May 25 2003
EXTENSIONS
a(7)-a(11) added using tinygraph by Falk Hüffner, Jun 20 2018
STATUS
approved