A152698 Number of permutations of floor(i*5/4), i=0..n-1, with all sums of 8 adjacent terms unique.

1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3409920, 34315200, 368740224, 4300411968, 53509163328, 712099875232, 9936684346816

Offset

1,2

Links

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

Crossrefs

Sequence in context: A152707 A152704 A152699 * A152711 A152694 A152696

Adjacent sequences: A152695 A152696 A152697 * A152699 A152700 A152701

Keyword

nonn

Author

R. H. Hardin, Dec 11 2008

Status

approved