%I #8 Jun 26 2022 03:27:59
%S 0,1,3,41,499,6946,95964,1330807,18395673
%N Number of polyominoes of order 2n that can be tiled by dominoes in more than one way.
%C Tilings related by a symmetry of the polyomino that is not a symmetry of the tiling count as distinct (thus, the square tetromino counts as being tiled in two distinct ways).
%Y Cf. A056785, A056786, A213376, A213377.
%K hard,more,nonn
%O 1,3
%A _Joseph Myers_, Jun 10 2012