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Numbers of the form m^2 + 1 that can be expressed in more than one way as j^2 + k^2 with j > k > 1.
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%I #14 Mar 14 2021 14:25:41

%S 325,1025,1445,1850,2210,3250,4625,4901,5185,5330,6725,6890,8650,9605,

%T 9802,11450,12545,13690,13925,14885,15130,16385,17425,17690,19045,

%U 20165,20450,21905,24650,26245,28225,29585,29930,30277,31330,33125,33490

%N Numbers of the form m^2 + 1 that can be expressed in more than one way as j^2 + k^2 with j > k > 1.

%H Hugo Pfoertner, <a href="/A299708/b299708.txt">Table of n, a(n) for n = 1..10000</a>

%e a(1) = 325 = A299707(1)^2 + 1 = 18^2 + 1 is expressible in two ways:

%e 325 = 17^2 + 6^2 = 15^2 + 10^2.

%Y Cf. A050796, A299707, A300161, A300162, A300163, A300164, A300165, A300166.

%K nonn

%O 1,1

%A _Hugo Pfoertner_, Feb 27 2018