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 A178231 #2 Mar 30 2012 17:28:10 %S A178231 1,3,4,5,3,6,2,4,0,4,7,0,7,3,7,1,0,3,1,7,1,6,3,0,8,5,4,6,2,1,7,0,4,0, %T A178231 4,1,9,3,8,7,0,9,6,2,3,8,5,5,2,0,1,2,0,2,7,5,2,0,0,4,8,7,2,8,3,3,1,8, %U A178231 0,3,8,7,1,8,4,2,6,3,8,8,4,1,8,2,9,7,3,5,1,5,5,4,8,2,9,1,5,8,8,2,0,9,6,4,4 %N A178231 Decimal expansion of sqrt(181). %C A178231 Continued fraction expansion of sqrt(181) is A010224, has period length 21. %e A178231 sqrt(181) = 13.45362404707371031716... %Y A178231 Cf. A178230 (decimal expansion of sqrt(1086)), A010224. %K A178231 cons,nonn %O A178231 2,2 %A A178231 _Klaus Brockhaus_, May 23 2010