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A153721
as a simple table
n
a(n)
1
7
2
7
3
38
4
318
5
393
6
396
7
484
8
2076
9
2619
10
4099
11
5264
12
8556
13
18070
14
20732
15
27209
16
73351
17
356362
[7,7,38,318,393,396,484,2076,2619,4099,5264,8556, 18070,20732,27209,73351,356362]