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A165985 as a simple table

n a(n)
1 23
2 31
3 67
4 79
5 139
6 151
7 167
8 181
9 277
10 337
11 379
12 433
13 479
14 541
15 641
16 709
17 739
18 757
19 797
20 811
21 919
22 1069
23 1087
24 1237
25 1279
26 1399
27 1619
28 1697
29 1787
30 1801
31 1951
32 2083
33 2137
34 2207
35 2311
36 2503
37 2557
38 2659
39 2713
40 2767
41 2833
42 2939
43 3049
44 3061
45 3079
46 3169
47 3301
48 3547
49 3677

[23,31,67,79,139,151,167,181,277,337,379,433,479,
 541,641,709,739,757,797,811,919,1069,1087,1237,
 1279,1399,1619,1697,1787,1801,1951,2083,2137,2207,
 2311,2503,2557,2659,2713,2767,2833,2939,3049,3061,
 3079,3169,3301,3547,3677]

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Last modified April 24 02:46 EDT 2024. Contains 371917 sequences. (Running on oeis4.)