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A095337
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Total number of leaves and degree-1 roots in the rooted trees of order n.
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0
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0, 2, 4, 10, 26, 67, 180, 482, 1319, 3627, 10082, 28150, 79142, 223309, 632805, 1798614, 5127257, 14650352, 41952791, 120358095, 345878470, 995441814, 2868762513, 8277505162, 23910288016, 69136464102, 200092471111, 579592538321, 1680177087348
(list; graph; refs; listen; history; internal format)
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