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A108525
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Number of increasing ordered rooted trees with n generators.
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1
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1, 3, 27, 429, 9609, 277107, 9772803, 407452221, 19604840481, 1069202914083, 65177482634667, 4391636680582029, 324102772814580729, 25999541378465556627, 2252597527900572815763, 209625760563134613131421
(list; graph; refs; listen; history; internal format)
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