A152712 - OEIS

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A152712

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

0

1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3375360, 33654240, 358397568, 4097840160, 50030720832, 655011945136, 9000979212608

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

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

CROSSREFS

Sequence in context: A179368 A267389 A152693 * A152707 A152704 A152699

Adjacent sequences: A152709 A152710 A152711 * A152713 A152714 A152715

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 11 2008

STATUS

approved