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 A195567 #9 Jun 05 2015 03:19:30 %S A195567 5,5,325,449,3649,20165,20485,1331845,1840001,14953601,82636165, %T A195567 83947525,5457900485,7540323649,61279853249,338642984005,344016936965, %U A195567 22366474855685,30900244473601,251124823660801,1387758865816325,1409781323735045 %N A195567 Hypotenuses of primitive Pythagorean triples in A195565 and A195566. %C A195567 See A195500 for discussion and list of related sequences; see A195565 for Mathematica program. %F A195567 Empirical g.f.: -x*(x^9+x^8+5*x^7+5*x^6+325*x^5-3649*x^4-449*x^3-325*x^2-5*x-5) / (x^10-4098*x^5+1). - _Colin Barker_, Jun 04 2015 %Y A195567 Cf. A195500, A195565, A195566. %K A195567 nonn %O A195567 1,1 %A A195567 _Clark Kimberling_, Sep 21 2011