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A152711 Number of permutations of floor(i*9/7), i=0..n-1, with all sums of 8 adjacent terms unique. 0
1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3421440, 34443360, 373758336, 4351612704, 54025686272, 727969951712, 10267280807872 (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: A152704 A152699 A152698 * A152694 A152696 A152700

Adjacent sequences:  A152708 A152709 A152710 * A152712 A152713 A152714

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 11 2008

STATUS

approved

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Last modified June 13 20:25 EDT 2021. Contains 345009 sequences. (Running on oeis4.)