A171338 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.

1, 2, 6, 24, 104, 622, 4324, 34548, 310594, 3164990, 35155038, 423974396, 5541016736, 78238104000

Offset

1,2

Links

Table of n, a(n) for n=1..14.

Crossrefs

Sequence in context: A152321 A152323 A337770 * A327006 A163824 A356782

Adjacent sequences: A171335 A171336 A171337 * A171339 A171340 A171341

Keyword

nonn

Author

R. H. Hardin, Dec 06 2009

Status

approved