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 A070989 #20 Jul 08 2024 21:52:09 %S A070989 0,1,3,1,1,1,15,2,72,1,9,1,17,1,2,1,5,1,1,10,1,2,2,20,1,5,1,1,1,3,3, %T A070989 56,3,1,2,1,3,2,3,24,1,2,9,1,1,1,2,1,2,7,1,1,1,8,2,1,1,2,13,1,1,13,13, %U A070989 7,7,2,6,1,28,5,1,10,11,1,16,4,4,40,3,1,10,1,2,1,5,5,1,2,3,11,6,5,2,3,3,43 %N A070989 Continued fraction for Pi/4. %t A070989 ContinuedFraction[Pi/4, 96] (* _Terry D. Grant_, Jul 31 2016 *) %o A070989 (PARI) contfrac(Pi/4) \\ _Michel Marcus_, Nov 26 2013 %Y A070989 Cf. A003881 (decimal expansion). %K A070989 cofr,easy,nonn %O A070989 0,3 %A A070989 _Benoit Cloitre_, May 18 2002 %E A070989 Offset changed by _Andrew Howroyd_, Jul 08 2024