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 A019686 #16 Jul 08 2025 07:34:20 %S A019686 1,6,5,3,4,6,9,8,1,7,6,7,8,8,3,8,5,4,6,5,5,9,2,8,5,9,9,1,1,9,9,7,3,8, %T A019686 3,6,0,1,0,3,7,7,3,3,6,8,0,9,2,1,6,0,9,5,8,4,0,7,8,6,5,5,7,4,8,9,8,8, %U A019686 5,0,7,4,0,1,5,0,6,3,6,3,1,5,0,6,7,3,8,6,7,5,0,1,8,0,0,6,1,6,1 %N A019686 Decimal expansion of Pi/19. %H A019686 Ivan Panchenko, <a href="/A019686/b019686.txt">Table of n, a(n) for n = 0..1000</a> %H A019686 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A019686 0.16534698176788385465592859911997383601037733680921609584078655748988507.... %t A019686 RealDigits[N[Pi/19,6! ]] (* _Vladimir Joseph Stephan Orlovsky_, Dec 02 2009 *) %o A019686 (PARI) Pi/19 \\ _Charles R Greathouse IV_, Oct 01 2022 %K A019686 nonn,cons %O A019686 0,2 %A A019686 _N. J. A. Sloane_