A179711 Number of permutations of 1..n with the sequence of sums of 2 adjacent elements having exactly 2 maxima

0, 6, 60, 500, 3640, 25410, 172620, 1164492, 7850304, 53178972, 362810448, 2495592528, 17313238800, 121098656250

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