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A222189
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Number of toroidal n X 3 binary arrays, allowing rotation and/or reflection of the rows and/or the columns.
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1
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4, 13, 36, 158, 708, 4236, 26412, 180070, 1256914, 8999762, 65225244, 477772294, 3525803320, 26185264801, 195490126328, 1466095545930, 11038514989344, 83401050695432, 632087998742988, 4803854169636124, 36600736833265244, 279496328812771427
(list;
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refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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