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A030680 as a simple table

n a(n)
1 23
2 31
3 53
4 71
5 113
6 1013
7 1319
8 1511
9 1811
10 1913
11 3137
12 3533
13 3733
14 3833
15 72701
16 7573
17 7873
18 79757
19 9199
20 9293
21 1030111
22 105019
23 106013
24 113111
25 114113
26 124213
27 127217
28 128213
29 133319
30 138311
31 139313
32 143413
33 147419
34 1545101
35 1555111
36 160619
37 163613
38 165611

[23,31,53,71,113,1013,1319,1511,1811,1913,3137,
 3533,3733,3833,72701,7573,7873,79757,9199,9293,
 1030111,105019,106013,113111,114113,124213,127217,
 128213,133319,138311,139313,143413,147419,1545101,
 1555111,160619,163613,165611]

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Last modified April 19 03:30 EDT 2024. Contains 371782 sequences. (Running on oeis4.)