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 A378589 #4 Dec 03 2024 12:29:17 %S A378589 2,1,7,3,2,4,2,8,7,0,3,8,4,8,1,3,3,9,3,1,0,6,0,8,6,8,6,6,1,8,4,4,6,0, %T A378589 3,4,5,9,3,4,8,7,7,3,1,5,7,5,2,8,8,1,0,1,1,7,0,4,6,4,2,7,5,1,5,9,2,1, %U A378589 1,4,6,2,0,9,7,2,8,4,0,0,2,5,2,6,5,2,8,9,6,5,6,4,1,8,1,7,7,2,0,5 %N A378589 Decimal expansion of (1 - 2*A143304)/4. %D A378589 Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 2.18, p. 157. %F A378589 Equals (1 + 2*(Pi^2 - 6*log(2)*(24*log(A074962) + 2*gamma + log(2) - 2 * log(Pi) - 3))/Pi^2)/4. %e A378589 0.217324287038481339310608686618446034593487731575... %t A378589 RealDigits[(1+2(Pi^2 - 6*Log[2]*(24*Log[Glaisher] + 2*EulerGamma + Log[2] - 2*Log[Pi] - 3))/Pi^2)/4, 10, 100][[1]] %Y A378589 Cf. A143304. %Y A378589 Cf. A001620, A002162, A002388, A053510, A074962, A086237, A225746. %K A378589 nonn,cons %O A378589 0,1 %A A378589 _Stefano Spezia_, Dec 01 2024