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 A176054 #2 Mar 30 2012 17:28:08 %S A176054 2,1,3,3,8,9,3,4,1,9,0,2,7,6,8,1,6,8,1,6,4,3,5,4,9,6,0,8,7,0,2,5,4,0, %T A176054 1,8,2,4,4,7,2,5,3,9,3,5,6,0,6,7,6,4,3,6,3,0,1,5,0,0,0,4,8,2,5,1,4,7, %U A176054 4,3,7,8,1,3,8,4,4,0,7,2,6,9,0,4,0,1,6,8,3,7,9,9,1,7,6,6,1,5,4,7,4,0,6,4,5 %N A176054 Decimal expansion of (7+3*sqrt(7))/7. %C A176054 Continued fraction expansion of (7+3*sqrt(7))/7 is A010697. %e A176054 (7+3*sqrt(7))/7 = 2.13389341902768168164... %Y A176054 Cf. A010465 (decimal expansion of sqrt(7)), A010697 (repeat 2, 7). %K A176054 cons,nonn %O A176054 1,1 %A A176054 _Klaus Brockhaus_, Apr 07 2010