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%I #10 Nov 02 2023 14:19:33
%S 1,3,17,276,7791
%N Number of free 4-dimensional polyhypercubes with n cells, allowing corner-, face-, and 3-face-connections.
%H <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>.
%Y 150th row of A366766.
%Y Cf. 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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