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A002557 as a simple table

n a(n)
1 1
2 15
3 21
4 33
5 35
6 39
7 51
8 55
9 57
10 65
11 69
12 77
13 85
14 87
15 91
16 93
17 95
18 115
19 119
20 133
21 143
22 145
23 155
24 161
25 187
26 203
27 209
28 217
29 221
30 247
31 253
32 299
33 319
34 323
35 341
36 377
37 391
38 403
39 437
40 493
41 527
42 551
43 589
44 667
45 713
46 899
47 1155
48 1365
49 1785
50 1995
51 2145
52 2415
53 2805
54 3003

[1,15,21,33,35,39,51,55,57,65,69,77,85,87,91,93,
 95,115,119,133,143,145,155,161,187,203,209,217,
 221,247,253,299,319,323,341,377,391,403,437,493,
 527,551,589,667,713,899,1155,1365,1785,1995,2145,
 2415,2805,3003]

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)