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A146387 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 4
7 7
8 18
9 33
10 62
11 229
12 826
13 2874
14 11455
15 45319
16 227245
17 1250786
18 7902554
19 51293369
20 381222454
21 3041924174
22 28668489843
23 286940122325
24 3336283386716 

[1,1,1,1,1,4,7,18,33,62,229,826,2874,11455,45319,
 227245,1250786,7902554,51293369,381222454,
 3041924174,28668489843,286940122325,3336283386716]

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Last modified April 19 23:15 EDT 2024. Contains 371798 sequences. (Running on oeis4.)