Title of article
Enumerating symmetric directed convex polyominoes
Author/Authors
Emeric Deutsch، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
7
From page
225
To page
231
Abstract
It is shown, both analytically and bijectively, that the number of symmetric directed convex polyominoes with semiperimeter 2n+2 is equal to the central binomial coefficient (2nn).
Keywords
Directed convex polyomino , Bilateral Dyck paths , Central binomial coefficients
Journal title
Discrete Mathematics
Serial Year
2004
Journal title
Discrete Mathematics
Record number
948851
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