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A128491 as a simple table

n a(n)
1 5
2 7
3 17
4 19
5 71
6 109
7 191
8 379
9 449
10 521
11 881
12 1231
13 2591
14 3079
15 3457
16 3499
17 4159
18 9281
19 9521
20 12511
21 13339
22 17137
23 21121
24 23561
25 23869
26 33151
27 39761
28 39799
29 48619
30 53731
31 59779
32 90281
33 104651
34 106721
35 108991
36 148609
37 179099
38 179999
39 189391

[5,7,17,19,71,109,191,379,449,521,881,1231,2591,
 3079,3457,3499,4159,9281,9521,12511,13339,17137,
 21121,23561,23869,33151,39761,39799,48619,53731,
 59779,90281,104651,106721,108991,148609,179099,
 179999,189391]

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Last modified April 25 13:12 EDT 2024. Contains 371969 sequences. (Running on oeis4.)