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Baxter's Four-Coloring Constant

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Baxter's four-coloring constant for a triangular lattice is given by

C^2=product_(j=1)^(infty)((3j-1)^2)/((3j-2)(3j))
(1)
=3/(4pi^2)Gamma^3(1/3)
(2)
=1.46099848...
(3)

(OEIS A142954).

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References

Finch, S. R. Mathematical Constants. Cambridge, England: Cambridge University Press, p. 413, 2003.Sloane, N. J. A. Sequence A142954 in "The On-Line Encyclopedia of Integer Sequences."

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Baxter's Four-Coloring Constant

Cite this as:

Weisstein, Eric W. "Baxter's Four-Coloring Constant." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/BaxtersFour-ColoringConstant.html

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