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A092116
as a simple table
n
a(n)
1
4
2
18
3
33
4
42
5
43
6
57
7
73
8
76
9
78
10
87
11
91
12
93
13
97
14
102
15
112
16
114
17
120
18
141
19
151
20
177
21
186
[4,18,33,42,43,57,73,76,78,87,91,93,97,102,112, 114,120,141,151,177,186]