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Search: id:A147946
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| A147946 |
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Number of permutations of floor(i*7/3), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique. |
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1
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| 1, 2, 6, 24, 74, 368, 2214, 10892, 69096, 527234, 3431668, 27480534, 255515792, 1977816278, 19064332502, 208268352068
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