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1, 3, 10, 32, 106, 357, 1222, 4230, 14770, 51918, 183472, 651191, 2319626, 8288135, 29691760, 106611596, 383565754, 1382423748, 4990274016, 18039252192, 65292492328, 236595647526, 858231115540, 3116138603103, 11324267454946, 41186435585589, 149907159998452, 545997804435897
(列表;图表;参考;听;历史;文本;内部格式)
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