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A221042 as a simple table

n a(n)
1 8
2 212
3 3632
4 50504
5 624632
6 7190492
7 78973664
8 839594768
9 8717571176
10 88915009892
11 894366753296
12 8896551656792
13 87694439633240
14 857879937077612
15 8338591552929728
16 80606380453484576
17 775488956137204424
18 7429684469671844852
19 70919715248730034160
20 674750433200813750120

[8,212,3632,50504,624632,7190492,78973664,
 839594768,8717571176,88915009892,894366753296,
 8896551656792,87694439633240,857879937077612,
 8338591552929728,80606380453484576,
 775488956137204424,7429684469671844852,
 70919715248730034160,674750433200813750120]

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Last modified January 26 19:15 EST 2022. Contains 350599 sequences. (Running on oeis4.)