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A153926 as a simple table

n a(n)
0 1
1 2
2 2
3 3
4 5
5 6
6 12
7 35
8 83
9 231
10 918
11 2132
12 7575
13 42734
14 132320
15 609928
16 4694085
17 18109624
18 113969565
19 1148801096
20 6065910343
21 51213901318 

[1,2,2,3,5,6,12,35,83,231,918,2132,7575,42734,
 132320,609928,4694085,18109624,113969565,
 1148801096,6065910343,51213901318]

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Last modified April 27 09:38 EDT 2024. Contains 372017 sequences. (Running on oeis4.)