A152314 Number of permutations of 0..n-1 with all sums of 3 adjacent terms unique.

1, 2, 6, 24, 96, 520, 2888, 19256, 131900, 1025912, 8542228, 78741160, 768809896, 8133315150, 91184665564, 1094132555628

Offset

1,2

Links

Table of n, a(n) for n=1..16.

Crossrefs

Sequence in context: A152320 A267384 A152327 * A152331 A152324 A147887

Adjacent sequences: A152311 A152312 A152313 * A152315 A152316 A152317

Keyword

nonn

Author

R. H. Hardin, Dec 02 2008

Status

approved