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A154291 as a simple table

n a(n)
1 23
2 31
3 139
4 211
5 239
6 419
7 491
8 499
9 563
10 643
11 743
12 751
13 823
14 1291
15 1319
16 1427
17 1931
18 2039
19 2687
20 2767
21 3011
22 3119
23 3163
24 3191
25 3299
26 3307
27 3803
28 3919
29 4027
30 4091
31 4099
32 4423
33 4703
34 4999
35 5323
36 5639
37 5647
38 6007
39 6043
40 6079
41 6323
42 6691
43 6719
44 6763
45 7331

[23,31,139,211,239,419,491,499,563,643,743,751,
 823,1291,1319,1427,1931,2039,2687,2767,3011,3119,
 3163,3191,3299,3307,3803,3919,4027,4091,4099,4423,
 4703,4999,5323,5639,5647,6007,6043,6079,6323,6691,
 6719,6763,7331]

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Last modified April 24 14:54 EDT 2024. Contains 371960 sequences. (Running on oeis4.)