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A029847
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Triangle of coefficients of polynomials arising in connection with enumeration of intransitive trees by number of nodes and number of right nodes.
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0
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1, 1, 1, 1, 1, 5, 1, 1, 17, 17, 1, 1, 49, 146, 49, 1, 1, 129, 922, 922, 129, 1, 1, 321, 4887, 11234, 4887, 321, 1, 1, 769, 23151, 106439, 106439, 23151, 769, 1, 1, 1793, 101488, 856031, 1679494, 856031, 101488, 1793, 1, 1, 4097, 420512, 6137832, 21442606
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