910 is the generalized Catalan number C(11,4).

910 is the generalized Catalan number C(11,4).

Catalan number 4x4 grid example.svg

Catalan number 4x4 grid example.svg

The Catalan numbers give the number of ways to tile an n-sized stair case with exactly n rectangles.

The Catalan numbers give the number of ways to tile an n-sized stair case with exactly n rectangles.

An Introduction to Catalan Numbers ( Compact Textbooks in Mathematics) (Hardcover)

An Introduction to Catalan Numbers ( Compact Textbooks in Mathematics) (Hardcover)

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