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A139690 as a simple table

n a(n)
1 4
2 5
3 7
4 9
5 13
6 15
7 19
8 21
9 25
10 31
11 33
12 39
13 43
14 49
15 55
16 61
17 69
18 73
19 85
20 91
21 103
22 109
23 111
24 115
25 129
26 133
27 139
28 141
29 151
30 159
31 169
32 181
33 183
34 193
35 199
36 201
37 213
38 229
39 235
40 241
41 253
42 259
43 265
44 271
45 283
46 295
47 309
48 313
49 319
50 339
51 349
52 355
53 361
54 381
55 391
56 403
57 411

[4,5,7,9,13,15,19,21,25,31,33,39,43,49,55,61,69,
 73,85,91,103,109,111,115,129,133,139,141,151,159,
 169,181,183,193,199,201,213,229,235,241,253,259,
 265,271,283,295,309,313,319,339,349,355,361,381,
 391,403,411]

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Last modified May 16 17:27 EDT 2024. Contains 372554 sequences. (Running on oeis4.)