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Number of permutations of floor(i*9/5), i=0..n-1, with all sums of 5 adjacent terms unique.
0

%I #5 Apr 07 2021 20:13:30

%S 1,2,6,24,120,720,4800,34944,284112,2610000,25619416,281967300,

%T 3260094820,40530153902,544648728448,7866179354326

%N Number of permutations of floor(i*9/5), i=0..n-1, with all sums of 5 adjacent terms unique.

%K nonn

%O 1,2

%A _R. H. Hardin_, Dec 02 2008