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A032010
Number of rooted planar trees where any 2 subtrees extending from same node have a different number of nodes.
+0
1
1, 1, 1, 2, 4, 9, 23, 62, 164, 449, 1263, 3636, 10500, 30859, 90895, 271178, 810918, 2447715, 7406439, 22589066, 68974940, 211989119, 652180385, 2016872920, 6242930834, 19412141273, 60390977831, 188627507266
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.
AT&T Labs Research
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