A179722 Number of permutations of 1..n with the sequence of sums of 4 adjacent elements having exactly 3 maxima

0, 2520, 75600, 1310400, 17186400, 211780800, 2652249600, 34995760800

Offset

7,2

Links

Table of n, a(n) for n=7..14.

Crossrefs

Sequence in context: A159214 A224542 A064592 * A109480 A066599 A107531

Adjacent sequences: A179719 A179720 A179721 * A179723 A179724 A179725

Keyword

nonn

Author

R. H. Hardin Jul 25 2010

Status

approved