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A000676 Number of centered trees with n nodes.
(Formerly M0831 N0316)
+0
6
1, 1, 0, 1, 1, 2, 3, 7, 12, 27, 55, 127, 284, 682, 1618, 3979, 9823, 24722, 62651, 160744, 415146, 1081107, 2831730, 7462542, 19764010, 52599053, 140580206, 377244482, 1016022191, 2745783463, 7443742141, 20239038700, 55178647926 (list; graph; listen)
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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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