Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #5 Apr 07 2021 19:55:00
%S 1,2,6,24,120,720,5040,40320,343680,3210336,32428512,359501856,
%T 4409024192,56394389456,777561149096,11557514999280
%N Number of permutations of floor(i*9/4), i=0..n-1, with all sums of 7 adjacent terms unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 10 2008