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A000677 Number of bicentered trees with n nodes.
(Formerly M2366 N0936)
+0
6
0, 0, 1, 0, 1, 1, 3, 4, 11, 20, 51, 108, 267, 619, 1541, 3762, 9497, 23907, 61216, 157211, 407919, 1063398, 2792026, 7365532, 19535887, 52037837, 139213244, 373820978, 1007420841, 2723783122, 7387129661, 20091790330, 54793762295 (list; graph; listen)
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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