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 A010335 #8 Mar 30 2012 16:45:33 %S A010335 3,6,11,18,22,27,31,38,46,51,59,66,83,102,114,118,123,127,131,139,146, %T A010335 158,162,166,171,179,187,191,198,206,214,227,239,243,251,258,262,278, %U A010335 291,307,311,326,334,354,358,363,367,379,383,387 %N A010335 Central term in continued fraction for sqrt(n) is [ sqrt(n) ]. %H A010335 T. D. Noe, <a href="/A010335/b010335.txt">Table of n, a(n) for n=1..1000</a> %K A010335 nonn %O A010335 1,1 %A A010335 _N. J. A. Sloane_, Walter Gilbert