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A107990 as a simple table

n a(n)
1 2
2 3
3 5
4 43
5 89
6 113
7 131
8 163
9 457
10 467
11 509
12 541
13 587
14 739
15 773
16 887
17 1109
18 1123
19 1201
20 1307
21 1319
22 1409
23 1613
24 1741
25 1747
26 1787
27 1979
28 2063
29 2069
30 2459
31 2467
32 2671
33 2689
34 2741
35 2789
36 3187
37 3203
38 3539
39 3547
40 3557
41 3643
42 3823
43 3917
44 3989
45 4021
46 4441
47 4447

[2,3,5,43,89,113,131,163,457,467,509,541,587,739,
 773,887,1109,1123,1201,1307,1319,1409,1613,1741,
 1747,1787,1979,2063,2069,2459,2467,2671,2689,2741,
 2789,3187,3203,3539,3547,3557,3643,3823,3917,3989,
 4021,4441,4447]

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Last modified April 25 09:23 EDT 2024. Contains 371967 sequences. (Running on oeis4.)