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求下列数列的通项公式1,2,5,14,42,132,429,1430,4862,16796,58786,208012,7

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求下列数列的通项公式
1,2,5,14,42,132,429,1430,4862,16796,58786,208012,742900,2674440,9694845,35357670,129644790,477638700,1767263190,6564120420,24466267020,91482563640,343059613650,1289904147324,4861945401452,18367353072152,695335509016004,263747951750360,1002242216651368,3814986502092304,14544636039226909,55534064877048198,212336130412243110,812944042149730764,3116285494907301262……
拜托大家看清楚数据,谢谢!!!
这个是Catalan数
通项:c(2n,n)/(n+1)
请参见
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