This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A244922 #7 Aug 06 2024 09:26:31 %S A244922 6,2,7,1,8,0,7,8,4,8,8,3,5,1,4,7,2,0,8,6,5,4,8,2,4,5,2,2,2,0,3,6,3,1, %T A244922 7,3,8,5,3,6,0,9,2,0,5,6,2,1,1,7,7,1,3,7,2,2,4,8,3,2,2,4,9,5,9,4,7,6, %U A244922 2,9,4,5,0,9,5,0,4,1,3,7,6,7,7,2,6,9,1,6,7,0,8,0,1,2,1,2,9,5,6,8,8,5,7,6,5,8 %N A244922 Decimal expansion of the integral over the square [0,1]x[0,1] of (x^2 + y^2)^(3/2) dx dy. %H A244922 D. H. Bailey, J. M. Borwein, R. E. Crandall, <a href="https://citeseerx.ist.psu.edu/pdf/7f8e05b56fe9a987cf8f50f5f71414954bd94c1e">Advances in the theory of box integrals (2010)</a> p. 22. %F A244922 7/20*sqrt(2) + 3/20*log(1 + sqrt(2)). %F A244922 Also equals (7*sqrt(2) + 3*arcsinh(1))/20. %e A244922 0.627180784883514720865482452220363173853609205621177137224832249594762945... %t A244922 RealDigits[7/20*Sqrt[2] + 3/20*Log[1 + Sqrt[2]], 10, 106] // First %Y A244922 Cf. A244920, A244921. %K A244922 nonn,cons,easy %O A244922 0,1 %A A244922 _Jean-François Alcover_, Jul 08 2014