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6, 36, 90, 225, 420, 784, 1260, 2025, 2970, 4356, 6006, 8281, 10920, 14400, 18360, 23409, 29070, 36100, 43890, 53361, 63756, 76176, 89700, 105625, 122850, 142884, 164430, 189225, 215760, 246016, 278256, 314721, 353430, 396900, 442890, 494209
(列表;图表;参考;听;历史;文本;内部格式)
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