A152695 Number of permutations of floor(i*4/3), i=0..n-1, with all sums of 8 adjacent terms unique.

1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3432960, 34680960, 376399872, 4421652960, 55261084864, 741613592784, 10768723646848

Offset

1,2

Links

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

Crossrefs

Sequence in context: A152696 A152700 A152708 * A152703 A152709 A152706

Adjacent sequences: A152692 A152693 A152694 * A152696 A152697 A152698

Keyword

nonn

Author

R. H. Hardin, Dec 11 2008

Status

approved