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A122238
as a simple table
n
a(n)
1
7
2
22
3
61
4
192
5
575
6
2024
7
6090
8
20324
9
81824
10
248673
11
935492
12
3249468
[7,22,61,192,575,2024,6090,20324,81824,248673, 935492,3249468]