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0, 0, 1, 1, 2, 4, 4, 7, 13, 24, 24, 44, 84, 161, 309, 309, 594, 1164, 2284, 4484, 8807, 8807, 17305, 34301, 68008, 134852, 267420, 530356, 530356, 1051905, 2095003, 4172701, 8311101, 16554194, 32973536, 65679652, 65679652, 130828948, 261127540, 521203175, 1040311347, 2076449993
(列表;图表;参考;听;历史;文本;内部格式)
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