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A152637
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Number of permutations of floor(i*7/4), i=0..n-1, with all sums of 7 adjacent terms unique.
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0
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1, 2, 6, 24, 120, 720, 5040, 40320, 343680, 3222432, 32454144, 355035200, 4246001216, 53718115024, 739420640352, 10777107944060
(list; graph; refs; listen; history; internal format)
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