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Search: id:A152331
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| A152331 |
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Number of permutations of floor(i*9/8), i=0..n-1, with all sums of 3 adjacent terms unique. |
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1
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| 1, 2, 6, 24, 96, 520, 2888, 19256, 141384, 1153758, 9954096, 95113642, 954777378, 10374152650, 118690353388, 1454505621506
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