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0, 1, 11, 85, 583, 3785, 23843, 147437, 900559, 5453457, 32816315, 196531781, 1172634391, 6976059865, 41401814099, 245230349021, 1450162049695, 8563622372129, 50510963880299, 297627067200821, 1752169739791591, 10307304302433513, 60592569330907523
(列表;图表;参考;听;历史;文本;内部格式)
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