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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..11.

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.

Sequence in context: A153574 A153547 A153575 * A153548 A153576 A139681

Adjacent sequences:  A084278 A084279 A084280 * A084282 A084283 A084284

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

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Last modified August 3 06:43 EDT 2021. Contains 346435 sequences. (Running on oeis4.)