The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #15 Nov 03 2023 11:21:09
%S 1,1,6,84,2363
%N Number of free edge-connected 4-dimensional polyhypercubes with n cells.
%H <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>.
%Y 143rd row of A366766.
%Y Cf. A038173, A068870.
%Y See A365366 for a table of similar sequences.
%K nonn,hard,more
%O 1,3
%A _Pontus von Brömssen_, Sep 02 2023