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A089125 as a simple table

n a(n)
0 1
1 1
2 2
3 3
4 7
5 16
6 51
7 179
8 842
9 4601
10 33229
11 286284
12 3243665
13 44468561
14 800242506
15 17564890003
16 505712818663
17 17842259251624
18 825465630656435
19 46929863536852851
20 3498201665311407586
21 320978728492120944601

[1,1,2,3,7,16,51,179,842,4601,33229,286284,
 3243665,44468561,800242506,17564890003,
 505712818663,17842259251624,825465630656435,
 46929863536852851,3498201665311407586,
 320978728492120944601]

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Last modified April 18 17:42 EDT 2024. Contains 371781 sequences. (Running on oeis4.)