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A024783 as a simple table

n a(n)
1 2
2 3
3 5
4 7
5 13
6 15
7 23
8 27
9 35
10 37
11 45
12 53
13 57
14 65
15 73
16 75
17 123
18 145
19 153
20 213
21 227
22 235
23 265
24 323
25 337
26 345
27 357
28 373
29 415
30 445
31 475
32 513
33 535
34 557
35 565
36 573
37 615
38 645
39 657
40 673
41 715
42 723
43 737
44 753
45 775
46 1145
47 1153
48 1357
49 1475
50 1737
51 1775
52 2213
53 2235
54 2535
55 3123
56 3145

[2,3,5,7,13,15,23,27,35,37,45,53,57,65,73,75,123,
 145,153,213,227,235,265,323,337,345,357,373,415,
 445,475,513,535,557,565,573,615,645,657,673,715,
 723,737,753,775,1145,1153,1357,1475,1737,1775,
 2213,2235,2535,3123,3145]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)