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 A245885 #23 Feb 16 2025 08:33:23
%S A245885 3,3,2,3,3,5,0,9,7,0,4,4,7,8,4,2,5,5,1,1,8,4,0,6,4,0,3,1,2,6,4,6,4,7,
%T A245885 2,1,7,7,4,5,4,0,5,2,3,0,2,2,9,4,7,5,8,6,5,4,0,0,8,8,9,6,0,5,9,7,4,2,
%U A245885 0,8,6,5,8,6,0,8,1,8,5,3,4,0,0,7,8,0,3,2,4,8,1,3,8,4,7,7,1,2,4,7,6,5,5,4
%N A245885 Decimal expansion of Gamma(7/2), where Gamma is Euler's gamma function.
%H A245885 G. C. Greubel, <a href="/A245885/b245885.txt">Table of n, a(n) for n = 1..10000</a>
%H A245885 Eric Weisstein's MathWorld, <a href="https://mathworld.wolfram.com/GammaFunction.html">Gamma Function</a>
%H A245885 Wikipedia, <a href="http://en.wikipedia.org/wiki/Particular_values_of_the_Gamma_function">Particular values of the Gamma function</a>
%F A245885 Gamma(7/2) = (15/8)*sqrt(Pi) = (5/2)*A245884.
%F A245885 Equals Integral_{x=0..oo} exp(-x^(2/5)) dx. - _Ilya Gutkovskiy_, Apr 10 2024
%F A245885 Equals 30*A019718. - _Hugo Pfoertner_, Apr 10 2024
%e A245885 3.3233509704478425511840640312646472177454052302294758654008896...
%t A245885 RealDigits[Gamma[7/2], 10, 104] // First
%o A245885 (PARI) gammah(3) \\ _Michel Marcus_, Feb 11 2016
%Y A245885 Cf. A019704, A019718, A245884.
%K A245885 nonn,cons,easy
%O A245885 1,1
%A A245885 _Jean-François Alcover_, Aug 05 2014