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%I #14 Jul 15 2015 21:24:32
%S 4,8,9,12,16,18,20,24,25,27,28,30,32,36,40,42,44,45,48,49,50,52,54,55,
%T 56,60,63,64,66,68,70,72,75,76,78,80,81,84,85,88,90,91,92,96,98,99,
%U 100,102,104,105,108,110,112,114,115,116,117,119,120,121,124,125
%N Areas of rectangles that can be completely filled with squares of side length > 1 (with all side lengths restricted to the natural numbers).
%C Contains all integers from A013929.
%C Subset of A078137.
%H Giovanni Resta, <a href="/A259241/b259241.txt">Table of n, a(n) for n = 1..250</a>
%H Giovanni Resta, <a href="/A259241/a259241.png">Illustration of the first 48 squarefree terms</a>
%e See illustration in Links.
%Y Cf. A078137.
%K nonn
%O 1,1
%A _Laurance L. Y. Lau_, Jun 22 2015
%E a(14)-a(62) from _Giovanni Resta_, Jun 22 2015
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