A152705 Number of permutations of floor(i*8/3), i=0..n-1, with all sums of 8 adjacent terms unique.

1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3456000, 35818560, 397843200, 4840955424, 63268788096, 876875726720, 13227646220096

Offset

1,2

Links

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

Crossrefs

Sequence in context: A152701 A152697 A152710 * A152702 A360462 A072133

Adjacent sequences: A152702 A152703 A152704 * A152706 A152707 A152708

Keyword

nonn

Author

R. H. Hardin, Dec 11 2008

Status

approved