**The number of permutations p of {1,...,n} such that |p(i)-p(i+1)| is in {2,3,4,5} for all i from 1 to n-1.**

*1, 0, 0, 2, 14, 90, 462, 1668, 4496, 11332, 31718, 100258, 336142, 1123212*

*1 seqfan posts*

Index of A-numbers in seqfan: by ascending order by month by frequency by keyword

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