Number of inequivalent ways of dissecting a regular (n+2)-gon into n triangles by n-1 non-intersecting diagonals under rotations and reflections; also the number of planar 2-trees.
1, 1, 1, 3, 4, 12, 27, 82, 228, 733, 2282, 7528, 24834, 83898, 285357, 983244
Index of A-numbers in seqfan: by ascending order
by month
by frequency
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13 seqfan posts
Fri Oct 29 05:35:16 CEST 2010 [seqfan] Implementing first 500 sequences in Java
Mon Apr 20 00:42:53 CEST 2009 [seqfan] Re: Fwd: Re: A000207: Maple-Program wrong
Mon Apr 20 00:10:41 CEST 2009 [seqfan] Re: Fwd: Re: A000207: Maple-Program wrong
Sun Apr 19 23:45:44 CEST 2009 [seqfan] Re: Fwd: Re: A000207: Maple-Program wrong
Sun Apr 19 23:43:40 CEST 2009 [seqfan] Re: A000207: Maple-Program wrong
Sun Apr 19 23:18:24 CEST 2009 [seqfan] Re: A000207: Maple-Program wrong
Sun Apr 19 23:09:20 CEST 2009 [seqfan] Re: Fwd: Re: A000207: Maple-Program wrong
Sun Apr 19 22:25:40 CEST 2009 [seqfan] Re: Fwd: Re: A000207: Maple-Program wrong
Sun Apr 19 21:33:09 CEST 2009 [seqfan] A000207: Maple-Program wrong
Sun Apr 19 17:09:34 CEST 2009 [seqfan] Fwd: Re: A000207: Maple-Program wrong
Sun Apr 19 14:39:29 CEST 2009 [seqfan] Re: A000207: Maple-Program wrong
Sun Apr 19 14:35:36 CEST 2009 [seqfan] Re: A000207: Maple-Program wrong
Sun Apr 19 13:48:40 CEST 2009 [seqfan] A000207: Maple-Program wrong
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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