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 A195573 #9 Jun 05 2015 03:20:21 %S A195573 1,41,61,101,4181,6221,10301,426421,634481,1050601,43490761,64710841, %T A195573 107151001,4435631201,6599871301,10928351501,452390891741, %U A195573 673122161861,1114584702101,46139435326381,68651860638521,113676711262801 %N A195573 Hypotenuses of primitive Pythagorean triples in A195571 and A195572. %C A195573 See A195500 for discussion and list of related sequences; see A195571 for Mathematica program. %F A195573 Empirical g.f.: -x*(x^5+x^4+x^3-61*x^2-41*x-1) / (x^6-102*x^3+1). - _Colin Barker_, Jun 04 2015 %Y A195573 Cf. A195500, A195571, A195572. %K A195573 nonn %O A195573 1,2 %A A195573 _Clark Kimberling_, Sep 21 2011