A152704 Number of permutations of floor(i*7/6), i=0..n-1, with all sums of 8 adjacent terms unique.

1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3386880, 33782400, 359318016, 4161620928, 51466442688, 681421241696, 9464247206208

Offset

1,2

Links

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

Crossrefs

Sequence in context: A152693 A152712 A152707 * A152699 A152698 A152711

Adjacent sequences: A152701 A152702 A152703 * A152705 A152706 A152707

Keyword

nonn

Author

R. H. Hardin, Dec 11 2008

Status

approved