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1, 10, 39, 148, 405, 1254, 3143, 8488, 20853, 52050, 123915, 297804, 692237, 1611974, 3687795, 8405584, 18939921, 42512562, 94634003, 209819940, 462431697, 1015269486, 2218786839, 4832458392, 10485762025, 22684180610, 48922424415, 105229923596
(列表;图表;参考;听;历史;文本;内部格式)
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