References to A000081

Number of rooted trees with n nodes (or connected functions with a fixed point).
0, 1, 1, 2, 4, 9, 20, 48, 115, 286, 719, 1842, 4766, 12486, 32973, 87811, 235381


9 seqfan posts

Thu Nov 3 18:23:40 CET 2011    [seqfan] Re: Intersections of x^x^...^x
Thu Nov 3 11:53:43 CET 2011    [seqfan] Re: Intersections of x^x^...^x
Sat Nov 13 01:32:59 CET 2010    [seqfan] Re: Updatebot on a rampage
Sat Nov 13 00:42:08 CET 2010    [seqfan] Re: Updatebot on a rampage
Sat Nov 13 00:30:09 CET 2010    [seqfan] Updatebot on a rampage
Fri Oct 29 05:35:16 CEST 2010    [seqfan] Implementing first 500 sequences in Java
Fri Mar 6 23:53:37 CET 2009    [seqfan] Re: Number of Trees
Fri Mar 6 23:16:56 CET 2009    [seqfan] Re: Number of Trees
Fri Mar 6 21:10:50 CET 2009    [seqfan] Number of Trees

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