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Search: id:A147932
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| A147932 |
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Number of permutations of floor(i*9/4), i=0..n-1, with all sums of two and three adjacent terms respectively unique. |
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1
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| 1, 2, 6, 16, 96, 376, 1924, 10912, 90032, 563836, 3920958, 33396960, 370390258, 3235719046, 30075123118, 343158668698
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