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A023228 as a simple table

n a(n)
1 2
2 5
3 11
4 17
5 29
6 71
7 101
8 107
9 131
10 137
11 149
12 179
13 239
14 269
15 347
16 401
17 431
18 449
19 479
20 491
21 509
22 557
23 599
24 617
25 659
26 677
27 761
28 809
29 821
30 857
31 929
32 941
33 947
34 977
35 1151
36 1187
37 1229
38 1289
39 1307
40 1361
41 1367
42 1409
43 1487
44 1559
45 1571
46 1601
47 1619
48 1667
49 1697
50 1811
51 1871

[2,5,11,17,29,71,101,107,131,137,149,179,239,269,
 347,401,431,449,479,491,509,557,599,617,659,677,
 761,809,821,857,929,941,947,977,1151,1187,1229,
 1289,1307,1361,1367,1409,1487,1559,1571,1601,1619,
 1667,1697,1811,1871]

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Last modified April 24 15:18 EDT 2024. Contains 371960 sequences. (Running on oeis4.)