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Hypotenuses of primitive Pythagorean triples in A195561 and A195562.
5

%I #9 Jun 04 2015 14:30:52

%S 1,25,41,65,1649,2705,4289,108809,178489,283009,7179745,11777569,

%T 18674305,473754361,777141065,1232221121,31260608081,51279532721,

%U 81307919681,2062726378985,3383672018521,5365090477825,136108680404929

%N Hypotenuses of primitive Pythagorean triples in A195561 and A195562.

%C See A195500 for discussion and list of related sequences; see A195562 for Mathematica program.

%F Empirical g.f.: -x*(x^5+x^4+x^3-41*x^2-25*x-1) / (x^6-66*x^3+1). - _Colin Barker_, Jun 04 2015

%Y Cf. A195500, A195562, A195563.

%K nonn

%O 1,2

%A _Clark Kimberling_, Sep 21 2011