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A179711 Number of permutations of 1..n with the sequence of sums of 2 adjacent elements having exactly 2 maxima 0
0, 6, 60, 500, 3640, 25410, 172620, 1164492, 7850304, 53178972, 362810448, 2495592528, 17313238800, 121098656250 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

LINKS

Table of n, a(n) for n=3..16.

CROSSREFS

Sequence in context: A076100 A269760 A043033 * A061495 A220411 A248217

Adjacent sequences:  A179708 A179709 A179710 * A179712 A179713 A179714

KEYWORD

nonn

AUTHOR

R. H. Hardin Jul 25 2010

STATUS

approved

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Last modified December 8 20:37 EST 2021. Contains 349596 sequences. (Running on oeis4.)