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A138655 as a simple table

n a(n)
1 2
2 3
3 5
4 23
5 107
6 137
7 157
8 163
9 193
10 233
11 457
12 577
13 647
14 677
15 857
16 1013
17 1123
18 1223
19 1237
20 1783
21 1867
22 1873
23 2243
24 2417
25 2467
26 2683
27 2957
28 3407
29 3413
30 3517
31 3797
32 4373
33 4447
34 4603
35 4903
36 5413
37 5437
38 5813
39 6053
40 6073
41 6323
42 6577
43 6823
44 6863
45 7207
46 7793

[2,3,5,23,107,137,157,163,193,233,457,577,647,677,
 857,1013,1123,1223,1237,1783,1867,1873,2243,2417,
 2467,2683,2957,3407,3413,3517,3797,4373,4447,4603,
 4903,5413,5437,5813,6053,6073,6323,6577,6823,6863,
 7207,7793]

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Last modified May 30 03:25 EDT 2024. Contains 372957 sequences. (Running on oeis4.)