A152325 Number of permutations of floor(i*8/3), i=0..n-1, with all sums of 3 adjacent terms unique.

1, 2, 6, 24, 112, 604, 3708, 27704, 211432, 1891158, 18797728, 191419156, 2197262096, 27378984640, 338911134156, 4786283287650

Offset

1,2

Links

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

Crossrefs

Sequence in context: A085486 A152318 A152328 * A152329 A216716 A192088

Adjacent sequences: A152322 A152323 A152324 * A152326 A152327 A152328

Keyword

nonn

Author

R. H. Hardin, Dec 02 2008

Status

approved