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A179712 Number of permutations of 1..n with the sequence of sums of 2 adjacent elements having exactly 3 maxima 0
0, 20, 700, 12390, 172620, 2112012, 23983344, 260353632, 2749114368, 28553296200, 293791160520 (list; graph; refs; listen; history; text; internal format)
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

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Last modified November 30 08:19 EST 2021. Contains 349419 sequences. (Running on oeis4.)