%I #8 Sep 20 2024 10:13:22
%S 1,1,2,2,3,1,3,3,3,3,6,2,4,4,4,4,9,2
%N Least number of inequivalent cells in a polyiamond with n cells.
%C Equivalently, a(n) is the least number of free rooted (or pointed) polyiamonds (A369365) corresponding to a given polyiamond with n cells.
%H <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>.
%Y Cf. A000577, A367758, A369363, A369365, A369367.
%K nonn,more
%O 1,3
%A _Pontus von Brömssen_, Jan 22 2024
%E a(18) from _John Mason_, Sep 20 2024