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A101125 formatted as a simple table:

n a(n)
0 1
1 1
2 1
3 4
4 13
5 49
6 233
7 1240
8 7201
9 45521
10 311225
11 2285116
12 17909309
13 149080865
14 1312597361
15 12180044528
16 118740086369
17 1212695223137
18 12942512039697
19 144018843991220
20 1667526171728525
21 20053044685823697
22 250043383489271193

[1,1,1,4,13,49,233,1240,7201,45521,311225,2285116,
 17909309,149080865,1312597361,12180044528,
 118740086369,1212695223137,12942512039697,
 144018843991220,1667526171728525,
 20053044685823697,250043383489271193]

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Last modified December 16 13:01 EST 2009. Contains 170825 sequences.


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