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1, 3, 8, 22, 60, 163, 443, 1204, 3273, 8897, 24185, 65742, 178705, 485771, 1320462, 3589388, 9756968, 26522189, 72094784, 195973941, 532712403, 1448062445, 3936241831, 10699814642, 29085111709, 79061530637, 214911522061, 584190085145
(列表;图表;参考;听;历史;文本;内部格式)
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