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A152702
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Number of permutations of floor(i*7/4), i=0..n-1, with all sums of 8 adjacent terms unique.
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0
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1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3467520, 35686080, 395282304, 4741841856, 61126725888, 835942400624, 12078258935680
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