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 A382242 #14 Mar 20 2025 09:42:54
%S A382242 6,5,5,5,1,4,3,8,8,5,7,3,0,2,9,9,5,2,6,1,6,2,0,9,8,9,7,4,7,2,7,7,9,8,
%T A382242 5,3,4,2,0,6,8,8,7,3,7,8,5,7,9,0,5,7,9,0,7,0,4,2,0,5,4,2,5,9,5,0,1,9,
%U A382242 7,6,4,6,7,6,7,6,0,3,5,6,2,5,5,7,5,7,3,8,8,3,2,4,0,3,5,7,2,7,3,3,6,1,5,3,3,9,3,8,1,6,7,9,4,5,8
%N A382242 Decimal expansion of Gamma(1/4)^2/(8*sqrt(2*Pi)).
%H A382242 Leyda Almodovar, Victor H. Moll, Hadrian Quan, Fernando Roman, Eric Rowland, and Michole Washington, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL19/Moll/moll3.html">Infinite products arising in paperfolding</a>, JIS 19 (2016), Article 16.5.1, eq. (72).
%F A382242 Equals A068466^2 *A231863 /8.
%F A382242 Equals Product_{n>=1} (A005843(n)/A005408(n))^A034947(n).
%e A382242 0.6555143885730299526162098974727798534...
%p A382242 Digits := 120 ; GAMMA(1/4)^2/8/sqrt(2*Pi) ; evalf(%) ;
%t A382242 RealDigits[Gamma[1/4]^2/(8*Sqrt[2*Pi]), 10, 120][[1]] (* _Amiram Eldar_, Mar 20 2025 *)
%Y A382242 Cf. A034937, A068466, A231863, A005843, A005408.
%K A382242 nonn,cons
%O A382242 0,1
%A A382242 _R. J. Mathar_, Mar 19 2025