Calculator for several combinatorics functions:
Factorial | Subfactorial | Binomial Coefficient | Central Binomial Coefficient | Repetition | Catalan Number | Lah Number | German: Kombinatorik Funktionen

Calculate Repetition

( n+k-1 ) = (n+k-1)!
k k!(n-1)!
This is the number of possibilities for combinations with repetition. k drawings from n elements are made.
Enter for n and k positive integers with n+k<171. n and press Calculate.
n:
k:





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