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1, -3, 15, -120, 915, -7086, 56661, -462405, 3819165, -31843110, 267610443, -2263491255, 19246265025, -164379723735, 1409306287470, -12122528944620, 104575462390842, -904411297029585, 7839310835762475, -68086561401745275, 592417977205534017
(列表;图表;参考;听;历史;文本;内部格式)
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