## Concrete mathematics. A foundation for computer science.(English)Zbl 0668.00003

 00A05 Mathematics in general 68-01 Introductory exposition (textbooks, tutorial papers, etc.) pertaining to computer science 11B65 Binomial coefficients; factorials; $$q$$-identities 11Axx Elementary number theory 05A10 Factorials, binomial coefficients, combinatorial functions