A171339 - OEIS

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A171339

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

1, 2, 6, 22, 118, 656, 4586, 36656, 332050, 3326146, 36615032, 439501232, 5741754786, 80586187678

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

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

CROSSREFS

Sequence in context: A370525 A352413 A101042 * A374619 A032266 A095856

Adjacent sequences: A171336 A171337 A171338 * A171340 A171341 A171342

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 06 2009

STATUS

approved