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%I #4 Mar 30 2012 18:56:08
%S 1,2,3,4,6,10,17,18,22,23,25,29,30,31,38,39,41,42,46,49,50,52,55,57,
%T 58,62,65,66,67,70
%N a(n) = least positive integer > a(n-1) and not a(j)*a(k) + a(k)*a(i) + a(i)*a(j) for 1<=i<=j<=k<=n.
%K nonn
%O 1,2
%A _Clark Kimberling_
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