Riordan arrays and sequence transforms

Infinite lower-triangular arrays and operators on sequences studied through generating functions: the Riordan group, number triangles and their diagonals, binomial, INVERT and Catalan transforms, Hankel and Toeplitz determinants and continued fractions; a specific named family (Motzkin triangle, Stirling matrices) stays with that family.

• Riordan arrays and number triangles
• Hankel determinants and continued fractions
• Sequence transforms and generating functions

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