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Number of permutations of floor(i*8/7), i=0..n-1, with all sums of two adjacent terms unique.
0

%I #5 Apr 07 2021 19:21:41

%S 1,2,6,16,54,232,1132,7628,50462,382076,2944618,24671640,216525368,

%T 2053251888,23564654276,271943000896

%N Number of permutations of floor(i*8/7), i=0..n-1, with all sums of two adjacent terms unique.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 17 2008