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A290438 as a simple table

n a(n)
1 1
2 1
3 3
4 3
5 12
6 20
7 39
8 64
9 116
10 210
11 438
12 966
13 2089
14 4155
15 8032
16 15657
17 30325
18 58379
19 112885 

[1,1,3,3,12,20,39,64,116,210,438,966,2089,4155,
 8032,15657,30325,58379,112885]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)