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A120918 as a simple table

n a(n)
0 1
1 12
2 124
3 1212
4 11512
5 107544
6 994236
7 9128024
8 83400856
9 759387964
10 6896903064
11 62519804504
12 565914425336
13 5116780986152
14 46223426993576
15 417279346904792
16 3764890593799336
17 33953608251139560
18 306100904240342268

[1,12,124,1212,11512,107544,994236,9128024,
 83400856,759387964,6896903064,62519804504,
 565914425336,5116780986152,46223426993576,
 417279346904792,3764890593799336,
 33953608251139560,306100904240342268]

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Last modified October 16 20:36 EDT 2021. Contains 348047 sequences. (Running on oeis4.)