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2, 0, 1, 0, 1, 1, 1, 2, 2, 3, 4, 5, 6, 8, 11, 13, 18, 22, 30, 37, 49, 63, 81, 105, 135, 175, 225, 292, 377, 486, 628, 811, 1048, 1353, 1748, 2257, 2916, 3766, 4863, 6281, 8113, 10477, 13533, 17478, 22573, 29155, 37656, 48633, 62812, 81126, 104777, 135326
(列表;图表;参考;听;历史;文本;内部格式)
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