搜索： 编号：a199529
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A199529号
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| 具有零和且没有两个连续零元素的n个元素的-7..7数组x（0..n-1）的数量 |
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1, 14, 168, 2212, 29750, 407946, 5662636, 79345982, 1119873360, 15897133212, 226731289148, 3246399497138, 46636478912912, 671855095655758, 9702557118121642, 140418234266554336, 2035998107250999870
(列表；图表；参考；听；历史；文本；内部格式)
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1,2
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例子
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n=5的一些解
..3…-6…-3….5…-1….1….0….4…-7…-6…-6….4…-3…-3…-4
.-3....7....0...-5....2...-2...-1...-4....2....5....5...-3....1...-2...-2....4
.-3....3....7....2....5...-7....4...-3....7....6...-2....6...-4...-2....7....3
.-3...-5...-1...-5...-7....7....0...-1...-2...-3....0....4....2....5....5...-3
..6....1...-3....3....1....1...-3....4....0...-2....3...-1...-3....2...-7....0
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非n
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