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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

5,2

LINKS

Table of n, a(n) for n=5..14.

CROSSREFS

Sequence in context: A211556 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 August 1 16:12 EDT 2021. Contains 346393 sequences. (Running on oeis4.)