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%I #4 Jul 12 2020 10:48:17
%S 1,2,4,10,23,63,165
%N Number of hook length posets with n elements.
%H Cheryl A. Gann and Robert A. Proctor, <a href="http://lists-of-posets.math.unc.edu/defcnt.html#pstcnts">Poset Counts</a>
%H Robert A. Proctor, <a href="http://www.math.unc.edu/Faculty/rap/Hook.html">Definition of hook length poset</a>
%Y Cf. A000112, A124481, A124482, A124483, A124016.
%K more,nonn
%O 1,2
%A _Franklin T. Adams-Watters_, Nov 03 2006
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