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A189897 as a simple table

n a(n)
0 1
1 1
2 3
3 22
4 329
5 8636
6 355297
7 21117286
8 1710243761
9 180811765432
10 24158025584801
11 3977274470362634
12 790696358461658761
13 186695449895152470052
14 51635196859642278380513
15 16532803795918313120452246

[1,1,3,22,329,8636,355297,21117286,1710243761,
 180811765432,24158025584801,3977274470362634,
 790696358461658761,186695449895152470052,
 51635196859642278380513,
 16532803795918313120452246]

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Last modified January 26 22:05 EST 2022. Contains 350601 sequences. (Running on oeis4.)