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3, 6, 23, 50, 131, 294, 687, 1530, 3419, 7502, 16391, 35490, 76467, 163830, 349535, 742730, 1572875, 3320478, 6990519, 14680050, 30758243, 64312646, 134217743, 279620250, 581610171, 1207959534, 2505397607, 5189752130, 10737418259, 22190664342
(列表;图表;参考文献;听;历史;文本;内部格式)
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