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A117539
as a simple table
n
a(n)
0
12
1
19
2
31
3
41
4
46
5
53
6
58
7
65
8
72
9
77
10
87
11
94
12
99
13
103
14
111
[12,19,31,41,46,53,58,65,72,77,87,94,99,103,111]