A179712 Number of permutations of 1..n with the sequence of sums of 2 adjacent elements having exactly 3 maxima

0, 20, 700, 12390, 172620, 2112012, 23983344, 260353632, 2749114368, 28553296200, 293791160520

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