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%I #8 Jun 22 2013 11:53:38
%S 10,24,32,60,63,84,112,180,189,252,275,660,693,924,1232,1326,1768,
%T 1974,2632,4026,5368,6405,8200,8319,11092,11715,15620,16401,19720,
%U 20706,20880,20910,24752,24960,25300,26565,29716,29835,33048,35055,41496
%N Smallest a(n)>a(n-1) such that a(n)^2+a(n-1)^2 is a perfect square, a(1)=10.
%C The sequence is infinite.
%C Apart from first term, identical to A076673. [From _R. J. Mathar_, Sep 20 2008]
%t ps[n_]:=Module[{x=n+1,n2=n^2},While[!IntegerQ[Sqrt[n2+x^2]],x++];x]; NestList[ps,10,40] (* _Harvey P. Dale_, Jun 22 2013 *)
%Y Cf. A076600.
%K nonn
%O 1,1
%A _Zak Seidov_, Oct 25 2002
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