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A322473
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Number of tilings of a 20 X n rectangle using 2*n copies of the disconnected shape [ooooo_____ooooo].
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5
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 8, 17, 28, 41, 56, 144, 240, 344, 456, 576, 712, 856, 1008, 1168, 1336, 1625, 2069, 2708, 3588, 4761, 7705, 12796, 20588, 31689, 46761, 73081, 111213, 162897, 229969, 314361, 421416, 555737, 723341, 931537, 1189140
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,16
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LINKS
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D. E. Knuth, Dancing Links, 24th Annual Christmas Lecture, Stanfordonline video (2018)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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