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%I #6 Mar 02 2023 06:23:08
%S 3,7,9,18,22,42,48,86,101
%N Number of tilings of an n X 3 rectangle by integer-sided rectangular pieces that cannot be rearranged to produce a different tiling of the rectangle (except rotations and reflections of the original tiling).
%Y Third column of A361001.
%Y Cf. A360632, A361000.
%K nonn,more
%O 1,1
%A _Pontus von Brömssen_, Feb 28 2023