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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
CROSSREFS
Sequence in context: A353040 A269760 A043033 * A061495 A220411 A248217
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 25 2010
STATUS
approved

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Last modified March 2 09:28 EST 2024. Contains 370461 sequences. (Running on oeis4.)