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math.combinatorics-advanced Calculator
Calculates multiset (combination with repetition), circular, and restricted combinatorics counts for advanced counting problems. Multisets count arrangements where repeated elements are allowed — fundamental to partition problems and combinatorial identities.
Inputs
N
Reference formula or conversion factor shown for context.
R
Reference formula or conversion factor shown for context.
Multiset K
Reference formula or conversion factor shown for context.
Partition N
Count of items or occurrences.
Results
C(n,r)
Sample size or count used in the calculation.
multiset C(n+k-1,k)
Sample size or count used in the calculation.
derangements D(n)
The difference between the maximum and minimum values.