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A174251
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Number of tilings of a 7 X n rectangle with n heptominoes of any shape.
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5
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1, 1, 7, 259, 9525, 270827, 6633399, 158753814, 3825111851, 96608374284, 2446223788303
(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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Table of n, a(n) for n=0..10.
R. S. Harris, Counting Nonomino Tilings and Other Things of that Ilk, G4G9 Gift Exchange book, 2010.
R. S. Harris, Counting Polyomino Tilings
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CROSSREFS
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Cf. A134438, A174248, A174249, A174250, A174252, A174253.
Sequence in context: A232304 A254127 A203968 * A269576 A130741 A003385
Adjacent sequences: A174248 A174249 A174250 * A174252 A174253 A174254
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KEYWORD
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nonn,more
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AUTHOR
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Bob Harris (me13013(AT)gmail.com), Mar 13 2010
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STATUS
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approved
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