2.6 Finite and Infinite Calculus
3.2 Floor/Ceiling Applications
3.4 ‘mod’: The Binary Operation
4.6 ‘mod’: The Congruence Relation
5.6 Hypergeometric Transformations
5.7 Partial Hypergeometric Sums
7.4 Special Generating Functions
7.6 Exponential Generating Functions
7.7 Dirichlet Generating Functions
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