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1, 2, 4, 12, 36, 100, 324, 1052, 3228, 10852, 36532, 117676, 404364, 1390516, 4610980, 16077660, 56078812, 189603652, 668095892, 2354323852, 8071935148, 28669742292, 101819683204, 352800887100, 1260929362940, 4505714683748, 15742066776692, 56548206097260, 203073342063308, 714263158415348, 2576510962881380
(列表;图表;参考;听;历史;文本;内部格式)
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