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A031207 as a simple table

n a(n)
1 12
2 18
3 21
4 24
5 39
6 42
7 45
8 54
9 78
10 81
11 87
12 93
13 99
14 102
15 108
16 114
17 117
18 120
19 129
20 141
21 144
22 147
23 168
24 171
25 174
26 180
27 186
28 192
29 201
30 204
31 210
32 219
33 222
34 228
35 234
36 237
37 240
38 243
39 267
40 273
41 276
42 282
43 291
44 309
45 324
46 327
47 333
48 336
49 339
50 342
51 348
52 363

[12,18,21,24,39,42,45,54,78,81,87,93,99,102,108,
 114,117,120,129,141,144,147,168,171,174,180,186,
 192,201,204,210,219,222,228,234,237,240,243,267,
 273,276,282,291,309,324,327,333,336,339,342,348,
 363]

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Last modified August 3 08:07 EDT 2024. Contains 374885 sequences. (Running on oeis4.)