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A147226 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 3
7 10
8 29
9 94
10 321
11 1262
12 7231
13 51504
14 415403
15 3863371
16 41121252
17 505066528
18 7638140887
19 140942068334
20 3073652987530
21 79190388734899
22 2405781069528047 

[1,1,1,1,1,3,10,29,94,321,1262,7231,51504,415403,
 3863371,41121252,505066528,7638140887,
 140942068334,3073652987530,79190388734899,
 2405781069528047]

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Last modified April 25 09:35 EDT 2024. Contains 371967 sequences. (Running on oeis4.)