A026470 - OEIS

%I #8 Apr 22 2016 23:17:34

%S 2,3,4,5,6,7,9,10,11,12,14,15,16,17,19,21,22,23,24,26,27,28,30,31,33,

%T 35,36,37,38,39,42,43,44,46,47,48,49,51,54,55,56,57,59,60,62,63,64,66,

%U 67,68,69,70,71,73,75,76,77,78,79,80

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

%K nonn

%O 1,1

%A _Clark Kimberling_

%E Corrected by _Franklin T. Adams-Watters_, Oct 25 2006