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A216632 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 3
9 6
10 12
11 24
12 63
13 164
14 424
15 1163
16 2919
17 8289
18 24060
19 70704
20 212130
21 672520
22 2080293
23 6485878
24 20449084 

[1,1,1,1,1,1,2,3,6,12,24,63,164,424,1163,2919,
 8289,24060,70704,212130,672520,2080293,6485878,
 20449084]

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Last modified April 16 03:22 EDT 2024. Contains 371696 sequences. (Running on oeis4.)