%I #4 Sep 09 2023 11:25:59
%S 1,2,7,31,205,1779
%N Number of free n-polysticks (or polyedges) in arbitrary dimension.
%H <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>.
%Y Row sums of A365566.
%Y Cf. A005519, A019988 (2 dimensions), A365559 (3 dimensions), A365561 (4 dimensions), A365563 (5 dimensions).
%K nonn,hard,more
%O 1,2
%A _Pontus von Brömssen_, Sep 09 2023