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A179712
Number of permutations of 1..n with the sequence of sums of 2 adjacent elements having exactly 3 maxima
0
0, 20, 700, 12390, 172620, 2112012, 23983344, 260353632, 2749114368, 28553296200, 293791160520
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OFFSET
5,2
LINKS
Table of n, a(n) for n=5..15.
CROSSREFS
Sequence in context:
A159874
A203136
A034404
*
A012802
A049214
A002455
Adjacent sequences:
A179709
A179710
A179711
*
A179713
A179714
A179715
KEYWORD
nonn
AUTHOR
R. H. Hardin
Jul 25 2010
STATUS
approved
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Last modified May 17 08:10 EDT 2024. Contains 372579 sequences. (Running on oeis4.)