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| A286921
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Triangle read by rows: T(n,m) is the number of pattern classes in the (n,m)-rectangular grid with 10 colors and n>=m, two patterns are in the same class if one of them can be obtained by a reflection or 180-degree rotation of the other.
(history;
published version)
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#24 by Bruno Berselli at Mon Apr 29 08:25:05 EDT 2019
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#23 by Michel Marcus at Mon Apr 29 06:38:22 EDT 2019
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#22 by María Merino at Mon Apr 29 06:25:53 EDT 2019
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#21 by María Merino at Mon Apr 29 06:25:51 EDT 2019
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| LINKS
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M. Merino and I. Unanue, <a href="https://doi.org/10.1387/ekaia.17851">Counting squared grid patterns with Pólya Theory</a>, EKAIA, 34 (2018), 289-316 (in Basque).
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| STATUS
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approved
editing
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#20 by Bruno Berselli at Tue Aug 01 06:07:42 EDT 2017
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#19 by Michel Marcus at Tue Aug 01 06:07:28 EDT 2017
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#18 by María Merino at Tue Aug 01 06:06:42 EDT 2017
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#17 by María Merino at Tue Aug 01 06:06:37 EDT 2017
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| LINKS
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María Merino, <a href="/A286921/b286921.txt">Table of n, a(n) forRows n = =0..52632 of triangle, flattened</a>
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| STATUS
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approved
editing
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#16 by Alois P. Heinz at Thu May 18 12:02:46 EDT 2017
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#15 by Alois P. Heinz at Thu May 18 12:02:41 EDT 2017
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