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 A080407 #11 Feb 17 2021 09:24:31 %S A080407 3,0,9,9,6,8,8,6,0,6,4,0,3,0,4,8,3,4,2,5,2,6,7,2,8,8,9,1,7,2,2,0,8,8, %T A080407 6,6,4,1,2,8,8,7,9,7,6,0,2,5,3,0,5,4,8,8,8,1,8,5,1,2,3,5,1,3,8,9,8,0, %U A080407 1,1,6,5,9,4,9,4,9,5,3,4,9,3,5,1,8,0,7,4,7,2,6,1,2,2,4,4,1,1,6,6 %N A080407 Decimal expansion of the number which results when the Boustrophedon transform of the continued fraction of Pi (A080406, A001203) is interpreted as a continued fraction. %H A080407 J. Millar, N. J. A. Sloane and N. E. Young, A new operation on sequences: the Boustrophedon transform, J. Combin. Theory, 17A (1996) 44-54 (<a href="http://neilsloane.com/doc/bous.txt">Abstract</a>, <a href="http://neilsloane.com/doc/bous.pdf">pdf</a>, <a href="http://neilsloane.com/doc/bous.ps">ps</a>). %H A080407 N. J. A. Sloane, <a href="/transforms.txt">Transforms</a> %H A080407 <a href="/index/Bo#boustrophedon">Index entries for sequences related to boustrophedon transform</a> %e A080407 3.0996886064030483425267288917220886641288... %Y A080407 Cf. A001203, A000796, A080406. %K A080407 nonn,easy,cons %O A080407 1,1 %A A080407 Mark Hudson (mrmarkhudson(AT)hotmail.com), Feb 17 2003 %E A080407 Offset corrected by _R. J. Mathar_, Feb 05 2009