A179725 Number of permutations of 1..n with the sequence of sums of 5 adjacent elements having exactly 2 maxima.

0, 1260, 20160, 226800, 2268000, 20790000, 192931200, 1931529600, 20718297600, 232744512000

Offset

6,2

Links

Table of n, a(n) for n=6..15.

Crossrefs

Sequence in context: A172314 A184407 A184404 * A101469 A094208 A035861

Adjacent sequences: A179722 A179723 A179724 * A179726 A179727 A179728

Keyword

nonn

Author

R. H. Hardin, Jul 25 2010

Status

approved