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%I #17 Aug 13 2020 14:02:28
%S 3,3,4,5,5,6,7,7,7,7,8,9,9,9,9,9
%N Maximum number of floors with n elevators and 3 stops.
%D David Rhee and Jerry Lo, Mathematical Wizardy for A Gardener, pp. 165-173.
%H Erich Friedman, <a href="https://erich-friedman.github.io/mathmagic/1109.html">Problem of the month November 2009</a>
%K nonn,more
%O 1,1
%A _Kausthub Gudipati_, Oct 04 2011
%E Corrected Name: elevators and stops were interchanged. - _Robert Price_, May 30 2013
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