%I #10 Nov 02 2023 14:19:36
%S 1,3,19,425,18043
%N Number of free 4-dimensional polyhypercubes with n cells, allowing corner-, edge-, and 3-face-connections.
%H <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>.
%Y 152nd 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