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A214044
as a simple table
n
a(n)
1
15
2
21
3
33
4
39
5
51
6
57
7
65
8
69
9
85
10
87
11
91
12
93
13
111
14
123
15
129
16
133
17
141
18
145
19
159
20
177
21
183
22
185
23
201
[15,21,33,39,51,57,65,69,85,87,91,93,111,123,129, 133,141,145,159,177,183,185,201]
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Last modified April 25 10:51 EDT 2024. Contains 371967 sequences. (Running on oeis4.)