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 A176057 #6 Feb 22 2020 10:51:18 %S A176057 2,0,9,5,4,4,5,1,1,5,0,1,0,3,3,2,2,2,6,9,1,3,9,3,9,5,6,5,6,0,1,6,0,4, %T A176057 2,6,7,9,0,5,4,8,9,3,8,9,9,9,5,9,6,6,5,0,8,4,5,3,7,8,8,8,9,9,4,6,4,9, %U A176057 8,6,5,5,4,2,4,5,4,4,5,4,6,7,6,0,1,7,1,6,8,7,2,3,2,7,7,4,1,2,5,1,5,2,9,4,5 %N A176057 Decimal expansion of (5+sqrt(30))/5. %C A176057 Continued fraction expansion of (5+sqrt(30))/5 is A010700. %H A176057 Daniel Starodubtsev, <a href="/A176057/b176057.txt">Table of n, a(n) for n = 1..10000</a> %e A176057 (5+sqrt(30))/5 = 2.09544511501033222691... %Y A176057 Cf. A010485 (decimal expansion of sqrt(30)), A010700 (repeat 2, 10). %K A176057 cons,nonn %O A176057 1,1 %A A176057 _Klaus Brockhaus_, Apr 07 2010