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A125409 as a simple table

n a(n)
0 1
1 21
2 231
3 2121
4 22547
5 244601
6 2714271
7 30517333
8 346395491
9 3958011609
10 45437784111
11 523343937005
12 6041702589491
13 69860441606457
14 808706293207743
15 9368913912846221
16 108598284502838979
17 1259272889680954201

[1,21,231,2121,22547,244601,2714271,30517333,
 346395491,3958011609,45437784111,523343937005,
 6041702589491,69860441606457,808706293207743,
 9368913912846221,108598284502838979,
 1259272889680954201]

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Last modified April 19 23:15 EDT 2024. Contains 371798 sequences. (Running on oeis4.)