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A052169 as a simple table

n a(n)
2 1
3 2
4 5
5 19
6 91
7 531
8 3641
9 28673
10 254871
11 2523223
12 27526069
13 328018989
14 4239014627
15 59043418019
16 881715042417
17 14052333488521
18 238063061452591
19 4271909380510383
20 80941440893880941
21 1614781745832924773
22 33833522293642233339
23 742799603083145395579

[1,2,5,19,91,531,3641,28673,254871,2523223,
 27526069,328018989,4239014627,59043418019,
 881715042417,14052333488521,238063061452591,
 4271909380510383,80941440893880941,
 1614781745832924773,33833522293642233339,
 742799603083145395579]

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Last modified March 3 09:46 EST 2021. Contains 341760 sequences. (Running on oeis4.)