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A124294 formatted as a simple table:

n a(n)
1 1
2 1
3 2
4 6
5 22
6 92
7 425
8 2119
9 11184
10 61499
11 347980
12 2007643
13 11734604
14 69181578
15 410179429
16 2441025998
17 14562284120
18 87012222100
19 520458020949
20 3115224471290
21 18654716694895
22 111741999352603
23 669466118302169

[1,1,2,6,22,92,425,2119,11184,61499,347980,
 2007643,11734604,69181578,410179429,2441025998,
 14562284120,87012222100,520458020949,
 3115224471290,18654716694895,111741999352603,
 669466118302169]

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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