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A121623 as a simple table

n a(n)
1 2
2 2
3 4
4 9
5 51
6 103
7 498
8 1012
9 4649
10 42070
11 89055
12 738321
13 3054404
14 6649146
15 27548565
16 210132966
17 1537632445
18 3475617204
19 25067027254
20 101057153476
21 230767621110
22 1638690855904
23 6592587402477
24 45739388949584

[2,2,4,9,51,103,498,1012,4649,42070,89055,738321,
 3054404,6649146,27548565,210132966,1537632445,
 3475617204,25067027254,101057153476,230767621110,
 1638690855904,6592587402477,45739388949584]

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Last modified April 19 14:10 EDT 2024. Contains 371792 sequences. (Running on oeis4.)