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< | 05-XX | 05Bxx >
05-XX Combinatorics {For finite fields, see 11Txx}
05Axx Enumerative combinatorics
05A05   Combinatorial choice problems (subsets, representatives, permutations)
05A10   Factorials, binomial coefficients, combinatorial functions [See also 11B65, 33Cxx]
05A15   Exact enumeration problems, generating functions [See also 33Cxx, 33Dxx]
05A16   Asymptotic enumeration
05A17   Partitions of integers [See also 11P81, 11P82, 11P83]
05A18   Partitions of sets
05A19   Combinatorial identities
05A20   Combinatorial inequalities
05A30   $q$-calculus and related topics [See also 03Dxx]
05A40   Umbral calculus
05A99   None of the above, but in this section
< | 05-XX | 05Bxx >
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