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A179721
Number of permutations of 1..n with the sequence of sums of 4 adjacent elements having exactly 2 maxima
0
0, 180, 2520, 25200, 211680, 1839600, 17186400, 168168000, 1676875200, 16972355400
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OFFSET
5,2
LINKS
Table of n, a(n) for n=5..14.
CROSSREFS
Sequence in context:
A364162
A184225
A099106
*
A112068
A058835
A008432
Adjacent sequences:
A179718
A179719
A179720
*
A179722
A179723
A179724
KEYWORD
nonn
AUTHOR
R. H. Hardin
Jul 25 2010
STATUS
approved
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Last modified April 17 23:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)