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 A176403 #6 Mar 21 2020 09:53:10 %S A176403 6,0,9,8,3,8,6,6,7,6,9,6,5,9,3,3,5,0,8,1,4,3,4,1,2,3,1,9,8,2,5,9,1,9, %T A176403 6,8,8,6,6,6,3,3,7,3,6,4,2,3,3,2,7,2,6,6,1,2,7,0,0,5,9,0,1,2,8,9,0,7, %U A176403 8,6,4,7,3,5,4,9,5,8,3,2,2,6,8,1,5,4,2,9,9,0,1,4,8,6,9,3,8,8,1,4,3,3,3,0,4 %N A176403 Decimal expansion of (15+4*sqrt(15))/5. %C A176403 Continued fraction expansion of (15+4*sqrt(15))/5 is A010726. %H A176403 Daniel Starodubtsev, <a href="/A176403/b176403.txt">Table of n, a(n) for n = 1..10000</a> %e A176403 (15+4*sqrt(15))/5 = 6.09838667696593350814... %Y A176403 Cf. A010472 (decimal expansion of sqrt(15)), A010726 (repeat 6, 10). %K A176403 cons,nonn %O A176403 1,1 %A A176403 _Klaus Brockhaus_, Apr 17 2010