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Number of free polycubes with n cells such that pairs of cell centers determine the largest possible number (A393994(n)) of distinct directions of lines.
3

%I #4 Mar 20 2026 00:02:12

%S 1,1,1,2,11,35,42,226,317,108,285

%N Number of free polycubes with n cells such that pairs of cell centers determine the largest possible number (A393994(n)) of distinct directions of lines.

%H <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>.

%Y Cf. A038119, A393939 (distinct lines), A393994, A394393 (polyominoes).

%K nonn,more

%O 1,4

%A _Pontus von Brömssen_, Mar 19 2026