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 A133747 #14 Feb 16 2025 08:33:06 %S A133747 1,8,9,0,7,2,7,2,0,1,2,9,2,3,3,8,5,2,2,9,3,0,6,1,3,9,6,5,3,4,9,2,1,3, %T A133747 1,3,3,9,8,7,3,1,1,6,1,2,7,0,8,9,1,1,4,6,3,0,8,2,3,2,4,2,1,4,4,3,0,5, %U A133747 5,5,9,0,2,6,0,9,6,4,7,6,7,2,9,6,6,5,2,1,6,6,3,7,3,0,4,4,7,0,4,9,3,4,0,4,4 %N A133747 Decimal expansion of the nonzero invariant of the Weierstrass elliptic function with half-periods 1/2 and i/2. %H A133747 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/CostaMinimalSurface.html">Costa Minimal Surface</a> %F A133747 Equals (beta(1/4, 1/4)/2)^4 = gamma(1/4)^8/(16*Pi^2). - _Jan Mangaldan_, Mar 02 2013 %e A133747 189.07272012923385229... %t A133747 First[RealDigits[(1/2 Beta[1/4, 1/4])^4, 10, 30]] (* _Jan Mangaldan_, Mar 02 2013 *) %Y A133747 Cf. A133748. %K A133747 nonn,cons %O A133747 3,2 %A A133747 _Eric W. Weisstein_, Sep 22 2007