%I #26 Mar 06 2017 19:40:13
%S 3,7,3,3,3,3,3,7,11,3,3,31,3,3,3,3,7,3,23,3,7,3,31,3,3,3,7,3,3,7,3,3,
%T 3,3,31,3,7,23,3,3,3,3,3,43,3,7,3,3,7,3,3,3,3,23,3,11,7,3,3,3
%N Square root of the smallest square referenced in A280296 (Squarefree numbers n such that 2^n  1 is divisible by a square > 1).
%e A280296(1)=6, 2^61 = 63 = 3*3*7, so 63 is not squarefree the square being 3*3=9 and the root is 3.
%Y Cf. A280296, A283092.
%K nonn
%O 1,1
%A _Robert Price_, Mar 06 2017
