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0, 1, 4, 12, 34, 94, 258, 706, 1930, 5274, 14410, 39370, 107562, 293866, 802858, 2193450, 5992618, 16372138, 44729514, 122203306, 333865642, 912137898, 2492007082, 6808289962, 18600594090, 50817768106, 138836724394, 379308985002, 1036291418794, 2831200807594
(列表;图表;参考;听;历史;文本;内部格式)
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