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A179717
Number of permutations of 1..n with the sequence of sums of 3 adjacent elements having exactly 2 maxima
0
0, 30, 360, 2940, 24640, 211680, 1789200, 15222900, 131670000, 1153872720, 10247485248
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OFFSET
4,2
LINKS
Table of n, a(n) for n=4..14.
CROSSREFS
Sequence in context:
A091775
A222086
A008656
*
A086864
A138441
A058837
Adjacent sequences:
A179714
A179715
A179716
*
A179718
A179719
A179720
KEYWORD
nonn
AUTHOR
R. H. Hardin
Jul 25 2010
STATUS
approved
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Last modified June 6 11:42 EDT 2024. Contains 373127 sequences. (Running on oeis4.)