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A232698
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Number of tilings of an 8 X n rectangle with 2n tetrominoes of any shape.
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5
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1, 1, 25, 997, 40899, 800290, 22483347, 657253434, 19077209438, 517312744806, 14571957312254, 412240433359025, 11632857444709188, 326275845576101452, 9187549952207915190, 258821654387452112268, 7288072624408347082481, 205113474464891986564786
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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LINKS
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S. Butler, J. Ekstrand, S. Osborne, TETRIS Tiling, AMS Spring Central Sectional, Iowa State University, April 27-28 2013
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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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