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 A176106 #8 Feb 24 2020 07:44:53 %S A176106 3,1,3,6,6,3,4,1,7,6,7,6,9,9,4,2,8,5,9,4,9,5,7,3,1,1,4,0,6,1,7,1,4,5, %T A176106 8,8,8,9,2,3,0,2,0,2,0,5,9,8,8,5,6,1,3,9,3,7,8,8,3,0,0,7,5,8,5,3,8,1, %U A176106 6,7,2,9,4,8,3,8,4,8,9,6,0,2,3,5,8,7,0,0,5,5,6,9,6,1,9,4,4,6,5,4,5,2,7,7,1 %N A176106 Decimal expansion of (21+5*sqrt(21))/14. %C A176106 Continued fraction expansion of (21+5*sqrt(21))/14 is A010705. %H A176106 Daniel Starodubtsev, <a href="/A176106/b176106.txt">Table of n, a(n) for n = 1..10000</a> %e A176106 (21+5*sqrt(21))/14 = 3.13663417676994285949... %t A176106 RealDigits[(21+5*Sqrt[21])/14,10,120][[1]] (* _Harvey P. Dale_, Apr 27 2017 *) %Y A176106 Cf. A010477 (decimal expansion of sqrt(21)), A010705 (repeat 3, 7). %K A176106 cons,nonn %O A176106 1,1 %A A176106 _Klaus Brockhaus_, Apr 10 2010