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 A195612 #9 Jun 05 2015 03:20:41 %S A195612 5,769,3329,20485,3151361,13642241,83947525,12914276609,55905900289, %T A195612 344016936965,52922702392321,229102365742081,1409781323735045, %U A195612 216877221489454849,938861438905147649,5777283520649277445,888762800741083578881 %N A195612 Hypotenuses of primitive Pythagorean triples in A195580 and A195611. %C A195612 See A195500 for discussion and list of related sequences; see A195580 for Mathematica program. %F A195612 Empirical g.f.: -x*(x^5+x^4+5*x^3-3329*x^2-769*x-5) / (x^6-4098*x^3+1). - _Colin Barker_, Jun 04 2015 %Y A195612 Cf. A195500, A195580, A195611. %K A195612 nonn %O A195612 1,1 %A A195612 _Clark Kimberling_, Sep 21 2011