A152707 Number of permutations of floor(i*8/7), i=0..n-1, with all sums of 8 adjacent terms unique.

1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3386880, 33755040, 359677440, 4104208992, 50168568768, 664362282656, 9530108009664

Offset

1,2

Links

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

Crossrefs

Sequence in context: A267389 A152693 A152712 * A152704 A152699 A152698

Adjacent sequences: A152704 A152705 A152706 * A152708 A152709 A152710

Keyword

nonn

Author

R. H. Hardin, Dec 11 2008

Status

approved