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A159725
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Number of permutations of 3 indistinguishable copies of 1..n arranged in a circle with exactly 5 local maxima.
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1
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0, 0, 0, 45888, 72621240, 44981038296, 18389612809680, 6040299916376448, 1749772454946512832, 469799260595276780160, 120267085682566659944448, 29853755210933389459501056, 7260112922454133870956552192, 1740894557985015492853351907328, 413292356519150082930093737902080
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OFFSET
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1,4
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LINKS
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PROG
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(PARI) \\ CircPeaksBySig defined in A334778.
a(n) = {CircPeaksBySig(vector(n, i, 3), [5])[1]} \\ Andrew Howroyd, May 14 2020
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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