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A119254 formatted as a simple table:

n a(n)
0 1
1 2
2 5
3 17
4 58
5 202
6 729
7 2695
8 10140
9 38719
10 149682
11 584672
12 2304045
13 9149194
14 36573273
15 147057039
16 594374148
17 2413480053
18 9840832968
19 40276235226
20 165403090815
21 681373222191
22 2814872996190
23 11659083772986
24 48407568680323

[1,2,5,17,58,202,729,2695,10140,38719,149682,
 584672,2304045,9149194,36573273,147057039,
 594374148,2413480053,9840832968,40276235226,
 165403090815,681373222191,2814872996190,
 11659083772986,48407568680323]

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


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