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 A195551 #5 Mar 30 2012 18:57:48 %S A195551 4,91,989,5396,117719,1284121,7003804,152799571,1666787669,9090932396, %T A195551 198333725039,2163489110641,11800023246004,257437022301451, %U A195551 2808207198823949,15316421082380996,334153056613557959,3645050780584375561 %N A195551 Numerators b(n) of Pythagorean approximations b(n)/a(n) to 3/2. %C A195551 See A195500 for discussion and list of related sequences; see A195550 for Mathematica program. %Y A195551 Cf. A195500, A195550, A195552. %K A195551 nonn %O A195551 1,1 %A A195551 _Clark Kimberling_, Sep 21 2011