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Number of toroidal n X 4 binary arrays, allowing rotation and/or reflection of the rows and/or the columns.
1

%I #11 Jan 20 2018 16:10:18

%S 6,34,158,1459,14676,184854,2445918,33888844,479268556,6886509940,

%T 100056170778,1466749421254,21657254505396,321725243553514,

%U 4804133557262316,72059797641376804,1085119161923382576,16397231016301629254,248546552679488856498

%N Number of toroidal n X 4 binary arrays, allowing rotation and/or reflection of the rows and/or the columns.

%H S. N. Ethier, <a href="http://arxiv.org/abs/1301.2352">Counting toroidal binary arrays</a>, arXiv preprint arXiv:1301.2352, 2013 and <a href="https://cs.uwaterloo.ca/journals/JIS/VOL16/Ethier/ethier2.html">J. Int. Seq. 16 (2013) #13.4.7</a>.

%Y A column of A222188.

%K nonn

%O 1,1

%A _N. J. A. Sloane_, Feb 12 2013

%E More terms from _Michel Marcus_, Feb 13 2013