%I #8 Dec 04 2023 01:35:55
%S 4,28,252,2600,29248,349132,4351944
%N Number of fixed n-polysticks (or polyedges) in 4 dimensions.
%H <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>.
%Y Cf. A096267 (2 dimensions), A365560 (3 dimensions), A365561 (free), A365564 (5 dimensions).
%Y 42nd row of A366767.
%K nonn,hard,more
%O 1,1
%A _Pontus von Brömssen_, Sep 09 2023