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A089675 as a simple table

n a(n)
1 1
2 2
3 3
4 17
5 140
6 990
7 1887
8 3530
9 5996
10 13820
11 21873
12 26045
13 87720
14 232599
15 480684
16 538640

[1,2,3,17,140,990,1887,3530,5996,13820,21873,
 26045,87720,232599,480684,538640]

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)