OFFSET
1,3
LINKS
D. H. Bailey, J. M. Borwein and R. E. Crandall, Box Integrals, J. Comp. Appl. Math., Vol. 206, No. 1 (2007), pp. 196-208.
D. H. Bailey, J. M. Borwein, and R. E. Crandall, Advances in the theory of box integrals, Math. Comp. 79 (271) (2010) 1839-1866, Table 2.
Eric Weisstein's MathWorld, Box Integral.
FORMULA
Equals B_3(-1) = (3/2)*log(2 + sqrt(3)) - Pi/4.
Equals log(7 + 4*sqrt(3)) - Pi/4 - arcsinh(1/sqrt(2)).
EXAMPLE
1.1900386819897767533219086751420769449911806073574982644...
MATHEMATICA
RealDigits[(3/2)*Log[2 + Sqrt[3]] - Pi/4, 10, 105] // First
CROSSREFS
KEYWORD
AUTHOR
Jean-François Alcover, Feb 11 2015
EXTENSIONS
Name corrected by Amiram Eldar, Jun 04 2023
STATUS
approved