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A233340
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Number of tilings of a 5 X 3n rectangle using 5n trominoes of any shape.
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3
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1, 62, 8342, 1269900, 198253934, 31111319376, 4887323351972, 767919868804309, 120664440361104580, 18960353496615710993, 2979300461790704311162, 468147088780110777732830, 73561466714064126023807694, 11558951424929920406557632356, 1816295465197137076501207582877
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refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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FORMULA
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G.f.: see link above.
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CROSSREFS
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Trisection of column k=5 of A233320.
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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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