A026493 - OEIS

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

%S 1,3,4,5,6,12,13,14,22,23,39,48,55,56,102,110,119,129,145,156,164,183,

%T 209,218,259,268,299,318,345,372,389,422,430,457,476,503,511,520,530,

%U 588,615,634,683,692,709,742,773,792,823,832,885

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

%K nonn

%O 1,2

%A _Clark Kimberling_

%E More terms from _Naohiro Nomoto_, Sep 15 2001