On the sequence A079500 and its combinatorial interpretations.
Frosini, A., Rinaldi, S. (2006)
Journal of Integer Sequences [electronic only]
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Displaying similar documents to “Tilings by translation: enumeration by a rational language approach.”
On the sequence A079500 and its combinatorial interpretations.
On some (pseudo) involutions in the Riordan group.
Cameron, Naiomi T., Nkwanta, Asamoah (2005)
Journal of Integer Sequences [electronic only]
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An algorithm for deciding if a polyomino tiles the plane
Ian Gambini, Laurent Vuillon (2007)
RAIRO - Theoretical Informatics and Applications
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For polyominoes coded by their boundary word, we describe a quadratic algorithm in the boundary length which improves the naive algorithm. Techniques used emanate from algorithmics, discrete geometry and combinatorics on words.
The umbral transfer-matrix method. IV: Counting self-avoiding polygons and walks.
Zeilberger, Doron (2001)
The Electronic Journal of Combinatorics [electronic only]
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Conjectured statistics for the higher -Catalan sequences.
Loehr, Nicholas A. (2005)
The Electronic Journal of Combinatorics [electronic only]
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General results on the enumeration of strings in Dyck paths.
Manes, K., Sapounakis, A., Tasoulas, I., Tsikouras, P. (2011)
The Electronic Journal of Combinatorics [electronic only]
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The generalized Schröder theory.
Song, Chunwei (2005)
The Electronic Journal of Combinatorics [electronic only]
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Counting peaks and valleys in -colored Motzkin paths.
Sapounakis, A., Tsikouras, P. (2005)
The Electronic Journal of Combinatorics [electronic only]
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Meanders and Motzkin words.
Panayotopoulos, A., Tsikouras, P. (2004)
Journal of Integer Sequences [electronic only]
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On -colored Motzkin words.
Sapounakis, A., Tsikouras, P. (2004)
Journal of Integer Sequences [electronic only]
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