A152386 - OEIS

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A152386

Number of permutations of floor(i*9/7), i=0..n-1, with all sums of 6 adjacent terms unique.

0

1, 2, 6, 24, 120, 720, 5040, 37440, 303912, 2690304, 25901984, 269965600, 3126293480, 38002845800, 508011792988, 7128791775500

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OFFSET

1,2

LINKS

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

CROSSREFS

Sequence in context: A152376 A152384 A152371 * A147736 A147741 A152379

Adjacent sequences: A152383 A152384 A152385 * A152387 A152388 A152389

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 02 2008

STATUS

approved