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A245724
Decimal expansion of 'g', a constant related to the asymptotic distribution of the Q moment and the logarithmic divergence of the Ising specific heat.
1
6, 1, 9, 4, 0, 3, 6, 9, 8, 4, 5, 8, 6, 3, 1, 8, 8, 5, 7, 1, 8, 5, 1, 4, 2, 0, 8, 1, 0, 4, 1, 6, 4, 6, 0, 9, 7, 1, 2, 3, 5, 8, 4, 9, 5, 5, 0, 9, 1, 4, 6, 5, 3, 5, 0, 6, 6, 8, 3, 8, 3, 9, 7, 7, 7, 6, 0, 5, 4, 1, 6, 4, 7, 2, 8, 3, 6, 8, 0, 7, 7, 0, 7, 0, 5, 9, 6, 6, 7, 9, 1, 2, 9, 5, 4, 3, 7, 0, 8, 7, 4, 3
OFFSET
0,1
REFERENCES
Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, Section 5.22 Lenz-Ising Constants, p. 399.
LINKS
Wikipedia, Ising Model
FORMULA
g = 1 + Pi/4 + log((sqrt(2)/4)*log(1 + sqrt(2))).
EXAMPLE
0.619403698458631885718514208104164609712358495509146535066838397776...
MATHEMATICA
g = 1 + Pi/4 + Log[(Sqrt[2]/4)*Log[1 + Sqrt[2]]]; RealDigits[g, 10, 102] // First
CROSSREFS
Sequence in context: A358968 A246771 A176397 * A021908 A093358 A374948
KEYWORD
nonn,cons,easy
AUTHOR
STATUS
approved