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%I #4 Mar 30 2012 18:56:54
%S 1,4,9,20,31,48,65,86,113,140,173,206,239,286,327,378,425,478,533,590,
%T 659,722,793,862,933,1020,1099,1184,1271,1360,1455,1550,1655,1758,
%U 1865,1976,2079,2202,2319,2448,2569,2694,2827,2960
%N a(n)=number of numbers h^2+k^2 that are <=2n^2; equivalently, a(n)=T(n,n), array T as in A048149.
%K nonn
%O 0,2
%A _Clark Kimberling_
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