A152710 Number of permutations of floor(i*9/5), i=0..n-1, with all sums of 8 adjacent terms unique.

1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3456000, 35759520, 400628736, 4789308672, 61341750208, 840540050688, 12292652292672

Offset

1,2

Links

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

Crossrefs

Sequence in context: A152706 A152701 A152697 * A152705 A152702 A360462

Adjacent sequences: A152707 A152708 A152709 * A152711 A152712 A152713

Keyword

nonn

Author

R. H. Hardin, Dec 11 2008

Status

approved