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A179711
Number of permutations of 1..n with the sequence of sums of 2 adjacent elements having exactly 2 maxima.
0
0, 6, 60, 500, 3640, 25410, 172620, 1164492, 7850304, 53178972, 362810448, 2495592528, 17313238800, 121098656250
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OFFSET
3,2
LINKS
Table of n, a(n) for n=3..16.
CROSSREFS
Sequence in context:
A353040
A269760
A043033
*
A061495
A220411
A248217
Adjacent sequences:
A179708
A179709
A179710
*
A179712
A179713
A179714
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Jul 25 2010
STATUS
approved
