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A115089 formatted as a simple table:

n a(n)
0 1
1 2
2 6
3 21
4 91
5 470
6 2763
7 17894
8 125113
9 932702
10 7347025
11 60761449
12 524852444
13 4716259252
14 43936770258
15 423178496553
16 4203717419747
17 42980494150963
18 451494062943969
19 4865135046178557
20 53701937703205383
21 606454041389250791

[1,2,6,21,91,470,2763,17894,125113,932702,7347025,
 60761449,524852444,4716259252,43936770258,
 423178496553,4203717419747,42980494150963,
 451494062943969,4865135046178557,
 53701937703205383,606454041389250791]

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.


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