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%I #16 Nov 03 2023 11:21:05
%S 1,2,9,93,1459,37426
%N Number of free 4-dimensional polyhypercubes with n cells, allowing face- and 3-face-connections.
%H <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>.
%Y 142nd row of A366766.
%Y Cf. A022146 (coordination sequence of the underlying graph), A068870.
%Y See A365366 for a table of similar sequences.
%K nonn,hard,more
%O 1,2
%A _Pontus von Brömssen_, Sep 03 2023
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