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A179711
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Number of permutations of 1..n with the sequence of sums of 2 adjacent elements having exactly 2 maxima
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0
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0, 6, 60, 500, 3640, 25410, 172620, 1164492, 7850304, 53178972, 362810448, 2495592528, 17313238800, 121098656250
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OFFSET
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3,2
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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