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 A193713 #24 Feb 16 2025 08:33:15 %S A193713 2,3,3,7,6,5,0,3,6,9,8,8,7,5,6,6,6,5,6,8,6,8,1,6,2,7,8,5,0,5,4,0,2,1, %T A193713 9,9,3,9,4,6,7,4,1,5,0,8,9,6,4,4,6,1,7,3,3,3,9,4,7,3,3,9,4,4,8,2,5,4, %U A193713 0,6,1,8,9,9,0,9,5,5,1,5,7,5,9,3,3,0,6,8,4,0,6,3,9,4,8,3,0,7,6,9,4,0,5,8,4 %N A193713 Decimal expansion of 11*Pi^5/1440. %C A193713 The value of Integral_{x=0..Pi/2} x^2*(log(2*cos(x)))^2 dx. %C A193713 The absolute value of (d^2/db^2(d^2/da^2(Integral_{x=0..Pi/2} cos(a*x)*(2*cos(x))^b dx. %C A193713 The value of Pi/2*(d^2/db^2(d^2/da^2(gamma(b+1)/gamma((b+a)/2+1)/gamma((b-a)/2+1)))) at a=0 and b=0. [_Seiichi Kirikami_ and _Peter J. C. Moses_] %D A193713 I. S. Gradshteyn and I. M. Ryzhik, Table of Integrals, Series and Products, 4th edition, 3.631.9 %H A193713 Jonathan Sondow and Eric W. Weisstein <a href="https://mathworld.wolfram.com/HarmonicNumber.html">Harmonic Number</a> (22) %H A193713 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %F A193713 Equals 11*A092731/1440. %e A193713 2.3376503698875666568... %t A193713 RealDigits[ N[11 Pi^5/1440, 150]][[1]] %Y A193713 Cf. A152584, A193712, A194655. %K A193713 cons,easy,nonn %O A193713 1,1 %A A193713 _Seiichi Kirikami_, Aug 31 2011