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2, 3, 15, 60, 144, 336, 788, 1852, 4348, 10212, 23984, 56328, 132292, 310700, 729708, 1713788, 4024992, 9453072, 22201428, 52142140, 122460716, 287610500, 675480288, 1586428936, 3725877444, 8750573324, 20551543804, 48267231996, 113360130352, 266236919376, 625282425300, 1468534537980
(列表;图表;参考;听;历史;文本;内部格式)
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