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A291339 as a simple table

n a(n)
1 2
2 3
3 7
4 19
5 37
6 47
7 83
8 89
9 107
10 137
11 181
12 251
13 257
14 349
15 379
16 569
17 631
18 653
19 677
20 691
21 797
22 823
23 839
24 863
25 883
26 919
27 1009
28 1021
29 1223
30 1229
31 1361
32 1423
33 1571
34 1609
35 1831
36 1873
37 1907
38 1993
39 2053
40 2113
41 2207
42 2239
43 2293
44 2309
45 2579
46 2833
47 3137
48 3319
49 3593
50 3673

[2,3,7,19,37,47,83,89,107,137,181,251,257,349,379,
 569,631,653,677,691,797,823,839,863,883,919,1009,
 1021,1223,1229,1361,1423,1571,1609,1831,1873,1907,
 1993,2053,2113,2207,2239,2293,2309,2579,2833,3137,
 3319,3593,3673]

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Last modified April 30 12:47 EDT 2024. Contains 372134 sequences. (Running on oeis4.)