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A147727 Number of permutations of 1..n with all sums of 2 through 5 adjacent terms respectively unique. 0

%I

%S 1,2,6,16,54,232,936,3880,17302,81584,409012,2169742,11998726,

%T 69653068,426511054,2718410098,18114464012

%N Number of permutations of 1..n with all sums of 2 through 5 adjacent terms respectively unique.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 11 2008

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Last modified January 23 15:59 EST 2022. Contains 350514 sequences. (Running on oeis4.)