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A152366
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Number of permutations of floor(i*9/5), i=0..n-1, with all sums of 5 adjacent terms unique.
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0
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1, 2, 6, 24, 120, 720, 4800, 34944, 284112, 2610000, 25619416, 281967300, 3260094820, 40530153902, 544648728448, 7866179354326
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OFFSET
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1,2
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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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