A152628 Number of permutations of 0..n-1 with all sums of 7 adjacent terms unique.

1, 2, 6, 24, 120, 720, 5040, 40320, 330240, 2926656, 27806976, 287160384, 3186150912, 38895891136, 493003257904, 6782866786416

Offset

1,2

Links

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

Crossrefs

Sequence in context: A179360 A179367 A267388 * A152647 A152642 A152639

Adjacent sequences: A152625 A152626 A152627 * A152629 A152630 A152631

Keyword

nonn

Author

R. H. Hardin, Dec 10 2008

Status

approved