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A274942 as a simple table

n a(n)
3 1
4 1
5 1
6 2
7 2
8 4
9 6
10 12
11 18
12 41
13 66
14 154
15 265
16 628
17 1132
18 2748
19 5098
20 12444 

[1,1,1,2,2,4,6,12,18,41,66,154,265,628,1132,2748,
 5098,12444]

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Last modified July 31 13:59 EDT 2024. Contains 374800 sequences. (Running on oeis4.)