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A050953
as a simple table
n
a(n)
1
7
2
14
3
23
4
33
5
47
6
62
7
69
8
133
9
141
10
167
11
213
12
398
13
413
14
573
15
717
16
1077
17
1293
18
1397
19
1757
20
3053
[7,14,23,33,47,62,69,133,141,167,213,398,413,573, 717,1077,1293,1397,1757,3053]