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A207990 as a simple table

n a(n)
1 3
2 7
3 13
4 19
5 31
6 37
7 47
8 73
9 79
10 107
11 139
12 157
13 167
14 181
15 193
16 199
17 211
18 263
19 271
20 283
21 347
22 367
23 379
24 457
25 467
26 487
27 503
28 571
29 613
30 619
31 643
32 691
33 757
34 823
35 859
36 877
37 887
38 919
39 941
40 997
41 1039
42 1187
43 1231
44 1279
45 1307
46 1423
47 1489
48 1579
49 1601
50 1627
51 1663

[3,7,13,19,31,37,47,73,79,107,139,157,167,181,193,
 199,211,263,271,283,347,367,379,457,467,487,503,
 571,613,619,643,691,757,823,859,877,887,919,941,
 997,1039,1187,1231,1279,1307,1423,1489,1579,1601,
 1627,1663]

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Last modified August 3 05:44 EDT 2024. Contains 374875 sequences. (Running on oeis4.)