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A106179
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Triangle of coefficients arising in connection with enumeration of series-reduced planted trees by number of endpoints.
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0
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1, 1, 1, 1, 2, 2, 1, 3, 5, 3, 1, 4, 10, 12, 6, 1, 5, 16, 29, 28, 11, 1, 6, 24, 57, 84, 66, 23, 1, 7, 33, 99, 192, 231, 157, 46
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