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A147001 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 4
8 5
9 13
10 19
11 43
12 57
13 239
14 521
15 2347
16 5442
17 24758
18 63173
19 355006
20 1139569
21 7776109
22 29105899
23 223723640
24 955226817
25 8533424348 

[1,1,1,1,1,1,4,5,13,19,43,57,239,521,2347,5442,
 24758,63173,355006,1139569,7776109,29105899,
 223723640,955226817,8533424348]

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)