Number of forests with n nodes and height at most 1.
1, 1, 3, 10, 41, 196, 1057, 6322, 41393, 293608, 2237921, 18210094, 157329097
2 seqfan posts
Fri Oct 29 05:35:16 CEST 2010 [seqfan] Implementing first 500 sequences in Java
Fri Dec 26 17:04:24 CET 2008 [seqfan] Comments to sequences concerning "forests"
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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