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A268595 as a simple table

n a(n)
1 2
2 2
3 2
4 3
5 5
6 19
7 31
8 37
9 2
10 11
11 2
12 67
13 109
14 151
15 211
16 241
17 277
18 367
19 439
20 457
21 619
22 691
23 727
24 787
25 859
26 19
27 967
28 1087
29 1171
30 1471
31 1489
32 1531
33 1579
34 1951
35 2131
36 2287
37 2791
38 2851
39 2971
40 3061
41 3319
42 3511
43 3547
44 3559
45 3739
46 4129
47 4357
48 4447
49 4507
50 4591
51 4651
52 4789

[2,2,2,3,5,19,31,37,2,11,2,67,109,151,211,241,277,
 367,439,457,619,691,727,787,859,19,967,1087,1171,
 1471,1489,1531,1579,1951,2131,2287,2791,2851,2971,
 3061,3319,3511,3547,3559,3739,4129,4357,4447,4507,
 4591,4651,4789]

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Last modified July 12 21:16 EDT 2024. Contains 374257 sequences. (Running on oeis4.)