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COMBINATORICA PACKAGE SYMBOL

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NumberOfPermutationsByInversions

gives the number of permutations of length

with exactly

inversions.

NumberOfPermutationsByInversions[n]
gives a table of the number of length-

permutations with

inversions, for all

.

MORE INFORMATION

To use , you first need to load the Combinatorica Package using .

Inversions ToInversionVector

Combinatorica

Permutations

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