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A362967
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Number of nondecreasing partitions of n^2 into n parts from the intervals [1,n], [2,n+1], ..., [n,2n-1], respectively.
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4
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1, 1, 2, 5, 17, 66, 294, 1393, 6965, 36111, 192850, 1053894, 5871306, 33234990, 190704140, 1107086841, 6492325565, 38412063755, 229052915708, 1375396927729, 8310509070747, 50496841617102, 308394124109340, 1892137615326526, 11658149626059204, 72108088307308032, 447590893613564372
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OFFSET
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0,3
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COMMENTS
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LINKS
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PROG
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(Sage) def a362967(n): return Partitions(n^2, length=n, inner=range(n, 0, -1), outer=range(2*n-1, n-1, -1)).cardinality()
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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