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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 #7 Oct 05 2019 16:35:46

%S 1,2,3,4,6,8,10,11,14,15,18,19,22,24,25,26,30,32,34,35,38,40,41,42,43,

%T 46,47,50,52,54,55,56,58,59,62,63,66,67,68,70,72,73,74,78,79,82,84,86,

%U 88,89,90,91,94,97,98,102,103,106,107,110,112,114,115,116,118,120,121,122,126

%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

%O 1,2

%A _Clark Kimberling_

%E More terms from _Sean A. Irvine_, Oct 05 2019