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A147944
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Number of permutations of floor(i*5/3), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique.
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0
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1, 2, 6, 24, 96, 376, 2062, 12092, 63082, 415428, 3005932, 20298160, 163268244, 1387772596, 10981291276, 104953969248
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