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A297393 as a simple table

n a(n)
1 9
2 69
3 323
4 2569
5 14940
6 99682
7 640562
8 4101278
9 26607999
10 170810312
11 1102871801
12 7104859427
13 45791052572
14 295185451556
15 1902301744507
16 12261796238309
17 79028574384941
18 509365351856610
19 3283017190154762
20 21159928491044181

[9,69,323,2569,14940,99682,640562,4101278,
 26607999,170810312,1102871801,7104859427,
 45791052572,295185451556,1902301744507,
 12261796238309,79028574384941,509365351856610,
 3283017190154762,21159928491044181]

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Last modified April 24 05:49 EDT 2024. Contains 371918 sequences. (Running on oeis4.)