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A002955 Number of rooted trimmed trees with n nodes.
(Formerly M1140)
+0
19
1, 1, 1, 2, 4, 8, 17, 36, 79, 175, 395, 899, 2074, 4818, 11291, 26626, 63184, 150691, 361141, 869057, 2099386, 5088769, 12373721, 30173307, 73771453, 180800699, 444101658, 1093104961, 2695730992, 6659914175, 16481146479, 40849449618 (list; graph; listen)
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Last modified December 9 14:43 EST 2009. Contains 170430 sequences.


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