engleski

On the number of column convex polyominoes with given perimeter and number of columns

For the perimeter and number of columns generating function for column-convex polyominoes a remarkably simple algebraic expression is obtained. An extension of Temperley's methodology, as an alternative to difference methods, is developed.

column convex polyomino; perimeter generating function; simple expression; q-enumeration; the Temperley method revisited

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