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A138465 as a simple table

n a(n)
1 3
2 23
3 31
4 137
5 191
6 239
7 277
8 359
9 431
10 439
11 683
12 719
13 743
14 911
15 997
16 1031
17 1061
18 1103
19 1109
20 1223
21 1279
22 1423
23 1439
24 1481
25 1511
26 1559
27 1583
28 1597
29 1733
30 1873
31 2017
32 2039
33 2063
34 2351
35 2399
36 2411
37 2543
38 2683
39 2897
40 2903
41 3023
42 3347
43 3359
44 3457
45 3517
46 3607
47 3623
48 3793
49 3797

[3,23,31,137,191,239,277,359,431,439,683,719,743,
 911,997,1031,1061,1103,1109,1223,1279,1423,1439,
 1481,1511,1559,1583,1597,1733,1873,2017,2039,2063,
 2351,2399,2411,2543,2683,2897,2903,3023,3347,3359,
 3457,3517,3607,3623,3793,3797]

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Last modified April 18 12:53 EDT 2024. Contains 371780 sequences. (Running on oeis4.)