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Search: id:A152694
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A152694 Number of permutations of floor(i*3/2), i=0..n-1, with all sums of 8 adjacent terms unique. +0
1
1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3421440, 34941600, 382102272, 4523380704, 57093522304, 776985102224, 11083862337024 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Sequence in context: A152699 A152698 A152711 this_sequence A152696 A152700 A152708

Adjacent sequences: A152691 A152692 A152693 this_sequence A152695 A152696 A152697

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Dec 11 2008

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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