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%I
%S 1,2,4,5,8,10,13,16
%N Maximal number of unique polyominos into which an n X n square can be divided.
%C Found as a solution for Ken Duisenberg's Puzzle of the Week, archived September 12, 2008.
%H <a href="http://ken.duisenberg.com/potw/archive/arch08/080912sol.html">Ken Duisenberg's Puzzle of the Week: September 12, 2008</a>
%K nonn
%O 1,2
%A Ken Duisenberg (Ken.Duisenberg(AT)hp.com), Sep 24 2008
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