The number of permutations p of {1,...,n} such that |p(i)-p(i+1)| is in {3,4,5} for all i from 1 to n-1.
1, 0, 0, 0, 0, 2, 28, 144, 292, 272, 160, 272, 844, 3888, 15830, 49080, 113468
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Sun Nov 28 11:38:23 CET 2010 [seqfan] Re: Changing sequences without asking authors