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A055544
Total number of nodes in all rooted trees with n nodes.
+0
4
1, 2, 6, 16, 45, 120, 336, 920, 2574, 7190, 20262, 57192, 162318, 461622, 1317165, 3766096, 10792399, 30980862, 89084844, 256524560, 739658472, 2135213982, 6170505665, 17849399616, 51679366125, 149750549260, 434260826883
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Maintained by
N. J. A. Sloane
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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.
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