A152701 Number of permutations of floor(i*7/3), i=0..n-1, with all sums of 8 adjacent terms unique.

1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3456000, 35472960, 395657856, 4828514688, 62035466048, 864355530784, 13078300373568

Offset

1,2

Links

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

Crossrefs

Sequence in context: A152703 A152709 A152706 * A152697 A152710 A152705

Adjacent sequences: A152698 A152699 A152700 * A152702 A152703 A152704

Keyword

nonn

Author

R. H. Hardin, Dec 11 2008

Status

approved