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A336022 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 5
9 15
10 52
11 203
12 878
13 4172
14 21767
15 125536
16 809254
17 5890115
18 48560551
19 450859572
20 4657423009
21 52802518648
22 649162712358
23 8574743501046
24 120876064485660
25 1809924607067234
26 28694297293078915
27 480719498205658859
28 8502406681853097237

[1,1,1,1,1,1,1,2,5,15,52,203,878,4172,21767,
 125536,809254,5890115,48560551,450859572,
 4657423009,52802518648,649162712358,8574743501046,
 120876064485660,1809924607067234,
 28694297293078915,480719498205658859,
 8502406681853097237]

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Last modified March 6 04:14 EST 2021. Contains 341841 sequences. (Running on oeis4.)