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1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120, 136, 153, 171, 191, 212, 234, 257, 281, 306, 332, 359, 387, 416, 446, 477, 509, 542, 576, 611, 647, 684, 723, 763, 804, 846, 889, 933, 978, 1024, 1071, 1119, 1168, 1218, 1269, 1321, 1374, 1428, 1483, 1540, 1598
(列表;图表;参考;听;历史;文本;内部格式)
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