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A111545 as a simple table

n a(n)
0 1
1 2
2 9
3 57
4 441
5 3933
6 39249
7 430677
8 5137641
9 66103533
10 911973249
11 13428837477
12 210259505241
13 3489291147933
14 61200522593649
15 1131630622515477
16 22007781151434441
17 449197758198576333
18 9603342828706622049

[1,2,9,57,441,3933,39249,430677,5137641,66103533,
 911973249,13428837477,210259505241,3489291147933,
 61200522593649,1131630622515477,22007781151434441,
 449197758198576333,9603342828706622049]

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Last modified January 19 18:36 EST 2022. Contains 350466 sequences. (Running on oeis4.)