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 A377594 #9 Apr 03 2025 04:10:44
%S A377594 0,3,6,8,6,0,8,0,0,5,9,1,2,4,7,1,0,4,5,3,8,2,3,9,2,8,6,7,0,1,9,1,6,5,
%T A377594 6,3,4,7,0,9,9,6,6,1,5,1,8,5,1,8,2,4,4,6,2,2,9,1,9,6,7,7,0,9,8,6,7,3,
%U A377594 5,2,7,4,3,8,5,4,4,1,7,0,9,2,5,5,4,3,7,9,0,5,8,3,3,8,7,8,5,2,8,2,0
%N A377594 Decimal expansion of 1/4 - 7*zeta(3)/(4*Pi^2).
%D A377594 Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 1.6.3, p. 44.
%H A377594 Michael I. Shamos, <a href="http://euro.ecom.cmu.edu/people/faculty/mshamos/cat.pdf">A catalog of the real numbers</a>, (2007). See p. 69.
%F A377594 Equals Sum_{k>=1} zeta(2*k)/((2*k + 1)*(2*k + 2)*2^(2*k)) [Euler] (see Finch and Shamos).
%e A377594 0.036860800591247104538239286701916563470996615185...
%t A377594 RealDigits[1/4-7Zeta[3]/(4Pi^2),10,100][[1]]
%Y A377594 Cf. A000302, A002117, A005408, A212002.
%K A377594 nonn,cons
%O A377594 0,2
%A A377594 _Stefano Spezia_, Nov 02 2024