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1, 1, 4, 11, 26, 65, 150, 343, 760, 1670, 3574, 7561, 15752, 32396, 65850, 132386, 263447, 519316, 1014744, 1966234, 3780464, 7215020, 13674227, 25744768, 48166429, 89576421, 165638008, 304615115, 557275053, 1014398476, 1837617957, 3313527482, 5948262037, 10632231253, 18926026208
(列表;图表;参考;听;历史;文本;内部格式)
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