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 A220605 #31 Feb 11 2025 13:56:25 %S A220605 3,1,4,9,1,1,5,1,1,7,7,5,9,9,3,6,5,9,0,9,7,0,1,1,3,6,6,4,6,8,0,7,6,8, %T A220605 8,9,2,2,2,9,7,7,8,6,1,1,7,6,6,2,5,2,6,8,4,7,9,0,7,6,1,5,0,0,0,3,9,4, %U A220605 2,7,9,8,4,5,3,2,9,6,9,4,6,3,5,1,5,3,2 %N A220605 Decimal expansion of Gamma(2/7). %C A220605 See the second comment of A220086. %H A220605 Vincenzo Librandi, <a href="/A220605/b220605.txt">Table of n, a(n) for n = 1..1000</a> %H A220605 <a href="/index/Ga#gamma_function">Index to sequences related to the Gamma function</a> %F A220605 Equals Pi*sec(3*Pi/14)/A220606. %e A220605 3.1491151177599365909701136646807688922297786117662526... %t A220605 RealDigits[Gamma[2/7], 10, 90][[1]] %o A220605 (Maxima) fpprec:90; ev(bfloat(gamma(2/7))); %o A220605 (PARI) gamma(2/7) \\ _Charles R Greathouse IV_, Feb 11 2025 %Y A220605 Cf. A160389 (see the first comment of A220086). %K A220605 nonn,cons %O A220605 1,1 %A A220605 _Bruno Berselli_, Dec 17 2012