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例子
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{1}, {1, 1}, {1, 3, 1}, {1, 4, 4, 1}, {1, 5, 10, 5, 1}, {1, 6, 21, 21, 6, 1}, \ {1, 7, 41, 86, 41, 7, 1}, {1, 8, 78, 337, 337, 78, 8, 1}, {1, 9, 148, 1247, 2486, 1247, 148, 9, 1}, {1, 10, 283, 4377, 15745, 15745, 4377, 283, 10, 1}, {1, 11, 547, 14728, 88444, 156442, 88444, 14728, 547, 11, 1}, {1, 12, 1068, 48005, 455522, 1310816, 1310816, 455522, 48005, 1068, 12, 1}
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