login
Number of permutations of 0..n-1 v[1..n] with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..n-1.
0

%I #5 Apr 16 2023 20:48:34

%S 1,2,6,24,104,622,4324,34548,310594,3164990,35155038,423974396,

%T 5541016736,78238104000

%N Number of permutations of 0..n-1 v[1..n] with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..n-1.

%K nonn

%O 1,2

%A _R. H. Hardin_, Dec 06 2009