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Search: id:A152645
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| A152645 |
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Number of permutations of floor(i*9/5), i=0..n-1, with all sums of 7 adjacent terms unique. |
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+0 1
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| 1, 2, 6, 24, 120, 720, 5040, 40320, 344640, 3214080, 32654592, 362526336, 4287655360, 54096841216, 740614408736, 10969734238220
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