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A031441 as a simple table

na(n)
03
15
27
317
411
519
623
7109
817
911
1019
1123
12109
1317
1411
1519
1623
17109
1817
1911
2019
2123
22109
2317
2411
2519
2623
27109
2817
2911
3019
3123
32109
3317
3411
3519
3623
37109
3817
3911
4019
4123
42109
4317
4411
4519
4623
47109
4817
4911
5019
5123
52109
5317
5411
5519
5623
57109
5817
5911
6019
6123
62109
6317
6411
6519
6623

[3,5,7,17,11,19,23,109,17,11,19,23,109,17,11,19,
 23,109,17,11,19,23,109,17,11,19,23,109,17,11,19,
 23,109,17,11,19,23,109,17,11,19,23,109,17,11,19,
 23,109,17,11,19,23,109,17,11,19,23,109,17,11,19,
 23,109,17,11,19,23]