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 A195554 #6 Mar 30 2012 18:57:48 %S A195554 12,651,17549,236588,12758199,343998201,4637596612,250086218851, %T A195554 6743052715749,90906168553188,4902190049156399,132177318990116401, %U A195554 1781942711341993212,96092729093477517051,2590939800101208973949,34929640936819582389788 %N A195554 Numerators b(n) of Pythagorean approximations b(n)/a(n) to 5/2. %C A195554 See A195500 for discussion and list of related sequences; see A195553 for Mathematica program. %Y A195554 Cf. A195500, A195553, A195555. %K A195554 nonn %O A195554 1,1 %A A195554 _Clark Kimberling_, Sep 21 2011