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A147885 Number of permutations of floor(i*5/2), i=0..n-1, with all sums of two adjacent terms unique. 0

%I

%S 1,2,6,16,74,368,2016,12168,85462,646544,5510236,49722456,500178548,

%T 5288883744,60900708056,733070993472

%N Number of permutations of floor(i*5/2), i=0..n-1, with all sums of two adjacent terms unique.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 17 2008

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Last modified January 25 18:32 EST 2022. Contains 350572 sequences. (Running on oeis4.)