A026506 - OEIS

%I #5 Mar 31 2012 13:50:34

%S 1,3,4,5,6,8,10,12,14,16,18,20,22,26,28,30,31,32,36,38,42,46,49,50,52,

%T 58,60,66,70,71,78,86,87,88,97,100,102,103,106,109,119,122,130,135,

%U 136,139,148,149,150,151,153,158,163,167,169,172

%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_

%E More terms from _Naohiro Nomoto_, Sep 15 2001