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 A019674 #23 Sep 28 2022 14:07:24
%S A019674 4,4,8,7,9,8,9,5,0,5,1,2,8,2,7,6,0,5,4,9,4,6,6,3,3,4,0,4,6,8,5,0,0,4,
%T A019674 1,2,0,2,8,1,6,7,0,5,7,0,5,3,5,8,6,5,4,5,8,5,3,5,6,3,5,1,3,1,8,6,8,3,
%U A019674 0,9,1,5,1,8,3,7,4,4,1,4,2,6,6,1,1,4,7,8,3,2,1,9,1,7,3,1,0,0,9
%N A019674 Decimal expansion of Pi/7.
%H A019674 Ivan Panchenko, <a href="/A019674/b019674.txt">Table of n, a(n) for n = 0..1000</a>
%H A019674 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%F A019674 Equals Integral_{x=0..oo} x^(5/2)/(1 + x^7) dx. - _Amiram Eldar_, Aug 12 2020
%e A019674 0.4487989505128276054946633404685004120281670570535865458535635131868309151... - _Vladimir Joseph Stephan Orlovsky_, Dec 02 2009
%t A019674 RealDigits[N[Pi/7,6! ]] (* _Vladimir Joseph Stephan Orlovsky_, Dec 02 2009 *)
%o A019674 (PARI) Pi/7 \\ _Charles R Greathouse IV_, Sep 28 2022
%K A019674 nonn,cons
%O A019674 0,1
%A A019674 _N. J. A. Sloane_