[seqfan] Differences of permutations of 1..2^k
Ron Hardin
rhhardin at att.net
Sat Mar 6 15:12:38 CET 2010
For n>1, the 2^n-1st difference of any permuation of 1..2^n is even.
At least I think so.
---rhhardin at mindspring.com
rhhardin at att.net (either)
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