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A020198 as a simple table

n a(n)
1 69
2 169
3 213
4 341
5 377
6 561
7 671
8 703
9 781
10 897
11 949
12 1441
13 1541
14 1633
15 1649
16 1891
17 2001
18 2201
19 2701
20 2769
21 2873
22 3053
23 3201
24 4061
25 4331
26 4371
27 4899
28 4901
29 6001
30 6177
31 6409
32 6681
33 7449
34 7991
35 9301
36 9361
37 11661
38 12121
39 12209
40 12337
41 12441
42 12673
43 12881

[69,169,213,341,377,561,671,703,781,897,949,1441,
 1541,1633,1649,1891,2001,2201,2701,2769,2873,3053,
 3201,4061,4331,4371,4899,4901,6001,6177,6409,6681,
 7449,7991,9301,9361,11661,12121,12209,12337,12441,
 12673,12881]

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Last modified March 28 17:25 EDT 2024. Contains 371254 sequences. (Running on oeis4.)