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 A123697 #2 Oct 01 2013 17:58:27
%S A123697 1145,2290,3272,3435,4580,5551,5725,6544,6870,8015,9160,9816,10305,
%T A123697 11102,11450,12595,13088,13740,14885,16030,16360,17175,18320,19465,
%U A123697 19632,20610,22904,25220,26176
%N A123697 Smaller side not divisible by 37 of right triangles with integer sides and integer side inscribed squares with two vertices on the hypotenuse.
%o A123697 (PARI) g(n)= { for(x=1,n, for(y=x,n, z=sqrt(x^2+y^2); s=x*y*z/(z^2+x*y); if(s==floor(s)&&x%37, print1(floor(x)",") ) ) ) }
%K A123697 nonn
%O A123697 1,1
%A A123697 _Cino Hilliard_, Nov 17 2006