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A179723
Number of permutations of 1..n with the sequence of sums of 4 adjacent elements having exactly 4 maxima.
0
0, 25200, 2772000, 81681600, 1676875200, 28798770000
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OFFSET
9,2
LINKS
Table of n, a(n) for n=9..14.
CROSSREFS
Sequence in context:
A076583
A226501
A046709
*
A174825
A269041
A130615
Adjacent sequences:
A179720
A179721
A179722
*
A179724
A179725
A179726
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Jul 25 2010
STATUS
approved
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Last modified May 23 11:57 EDT 2024. Contains 372763 sequences. (Running on oeis4.)