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.
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
Examples
0.619403698458631885718514208104164609712358495509146535066838397776...
References
- Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, Section 5.22 Lenz-Ising Constants, p. 399.
Links
- Vincenzo Librandi, Table of n, a(n) for n = 0..1000
- Wikipedia, Ising Model
Programs
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Mathematica
g = 1 + Pi/4 + Log[(Sqrt[2]/4)*Log[1 + Sqrt[2]]]; RealDigits[g, 10, 102] // First
Formula
g = 1 + Pi/4 + log((sqrt(2)/4)*log(1 + sqrt(2))).