%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