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A338917 as a simple table

n a(n)
1 1
2 2
3 2
4 4
5 7
6 7
7 25
8 34
9 151
10 331
11 1690
12 3265
13 26449
14 64528
15 574513
16 1671208
17 16090657
18 54199564
19 559922497
20 2133503863
21 23506132363 

[1,2,2,4,7,7,25,34,151,331,1690,3265,26449,64528,
 574513,1671208,16090657,54199564,559922497,
 2133503863,23506132363]

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Last modified August 7 03:39 EDT 2024. Contains 375008 sequences. (Running on oeis4.)