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A001383 Number of n-node rooted trees of height at most 3.
(Formerly M1107 N0422)
+0
10
1, 1, 1, 2, 4, 8, 15, 29, 53, 98, 177, 319, 565, 1001, 1749, 3047, 5264, 9054, 15467, 26320, 44532, 75054, 125904, 210413, 350215, 580901, 960035, 1581534, 2596913, 4251486, 6939635, 11296231, 18337815, 29692431, 47956995, 77271074, 124212966 (list; graph; listen)
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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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