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A152323
Number of permutations of floor(i*7/5), i=0..n-1, with all sums of 3 adjacent terms unique.
0
1, 2, 6, 24, 104, 592, 3384, 22544, 172448, 1468904, 13506934, 134335588, 1414062686, 16456846630, 203601501758, 2712671491944
OFFSET
1,2
CROSSREFS
Sequence in context: A152315 A152317 A152321 * A337770 A171338 A327006
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 02 2008
STATUS
approved