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A147926
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Number of permutations of floor(i*5/3), i=0..n-1, with all sums of two and three adjacent terms respectively unique.
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0
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1, 2, 6, 24, 96, 376, 2062, 12860, 69210, 499610, 3976470, 29600486, 270810736, 2683748296, 24357907464, 272243917696
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