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A025578
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a(n) = Sum{T(n,k-1), k = 1,2,...,n}.
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0
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1, 3, 8, 23, 67, 197, 582, 1725, 5124, 15245, 45412, 135401, 404015, 1206247, 3603230, 10767855, 32189931, 96259221, 287924196, 861415809, 2577711045, 7714933851, 23093949534, 69139301043, 207017139906, 619921659303, 1856572250112
(list; graph; refs; listen; history; internal format)
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