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A175373 as a simple table

na(n)
01
15
29
39
49
59
69
79
89
99
109
119
129
139
149
159
1613
1721
1821
1921
2021
2121
2221
2321
2421
2521
2621
2721
2821
2921
3021
3121
3225
3325
3425
3525
3625
3725
3825
3925
4025
4125
4225
4325
4425
4525
4625
4725
4825
4925
5025
5125
5225
5325
5425
5525
5625
5725
5825
5925
6025
6125
6225
6325
6425
6525
6625
6725
6825
6925
7025
7125
7225
7325
7425

[1,5,9,9,9,9,9,9,9,9,9,9,9,9,9,9,13,21,21,21,21,
 21,21,21,21,21,21,21,21,21,21,21,25,25,25,25,25,
 25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,
 25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,
 25,25,25,25,25,25]