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A077045 Doubly restricted composition numbers: number of compositions of 1+2+3+...+n=n(n+1)/2 into exactly n positive integers each no more than n. +0
5
1, 1, 2, 7, 44, 381, 4332, 60691, 1012664, 19610233, 432457640, 10701243741, 293661065788, 8851373201919, 290711372717976, 10334165623697259, 395320344293410544, 16192709833199300337, 707125993042984343136 (list; graph; listen)
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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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