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A260224 as a simple table

n a(n)
1 3
2 5
3 11
4 13
5 31
6 53
7 113
8 131
9 151
10 311
11 313
12 331
13 353
14 1151
15 1153
16 1511
17 1531
18 1553
19 3313
20 3331
21 3511
22 3533
23 5113
24 5153
25 5333
26 5351
27 5531
28 11113
29 11131
30 11311
31 11351
32 11353
33 11551
34 13151
35 13313
36 13331
37 13513
38 13553
39 15131
40 15313
41 15331
42 15511
43 15551

[3,5,11,13,31,53,113,131,151,311,313,331,353,1151,
 1153,1511,1531,1553,3313,3331,3511,3533,5113,5153,
 5333,5351,5531,11113,11131,11311,11351,11353,
 11551,13151,13313,13331,13513,13553,15131,15313,
 15331,15511,15551]

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Last modified April 25 11:06 EDT 2024. Contains 371967 sequences. (Running on oeis4.)