The answer is: 31975 But how do I get the answer with a method?
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1 Answer
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The answer depends on the enumeration of the permutations; the most common being
- lexicographic order, whence the factorial number system allows one to efficiently calculate permutations from their position in the enumeration or the
- induced by the Steinhaus-Johnson-Trotter permutation enumeration whose algorithmic inversion can be found here: https://mathoverflow.net/a/223656/31310
answered Aug 14, 2023 at 15:08