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1, 6, 35, 204, 1188, 6919, 40295, 234672, 1366694, 7959418, 46354440, 269961210, 1572213035, 9156329637, 53325071447, 310557107219, 1808637367513, 10533228997581, 61343923944270, 357257684774972, 2080614429665859, 12117182049311250, 70568625653399251
(列表;图表;参考;听;历史;文本;内部格式)
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