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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 0
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
CROSSREFS
Sequence in context: A370525 A352413 A101042 * A032266 A095856 A180367
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 06 2009
STATUS
approved

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Last modified July 15 02:08 EDT 2024. Contains 374323 sequences. (Running on oeis4.)