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a(n) = least positive integer > a(n-1) and not (a(i)+a(j))^2 - a(k)^2 for 1<=i<=j<=k<=n.
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%I #5 Mar 31 2012 13:50:34

%S 1,3,4,5,6,8,10,12,14,15,16,18,19,22,23,26,30,32,34,35,38,40,41,42,43,

%T 46,49,50,51,54,55,58,59,62,63,66,67,70,72,73,74,78,79,82,84,86,88,89,

%U 90,91,94,95,97,98,100,102,104,106

%N a(n) = least positive integer > a(n-1) and not (a(i)+a(j))^2 - a(k)^2 for 1<=i<=j<=k<=n.

%K nonn,easy

%O 1,2

%A _Clark Kimberling_

%E More terms from _Naohiro Nomoto_, Sep 15 2001