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A084285 Number of connected labeled 5-colorable (i.e., chromatic number <= 5) graphs on n nodes. 3
1, 1, 4, 38, 728, 26703, 1865842, 251349147, 66151135747, 34319358639795, 35257449916868364 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

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

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

FORMULA

Logarithmic transform of A084281. - Andrew Howroyd, Dec 02 2018

CROSSREFS

Cf. A001832, A084281, A084283, A084284, A084286.

Sequence in context: A171203 A096332 A084284 * A084286 A001187 A093377

Adjacent sequences:  A084282 A084283 A084284 * A084286 A084287 A084288

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, May 25 2003

EXTENSIONS

a(7)-a(11) from Andrew Howroyd, Dec 02 2018

STATUS

approved

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Last modified June 22 18:49 EDT 2021. Contains 345388 sequences. (Running on oeis4.)