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A175363 as a simple table

na(n)
01
15
29
39
49
59
69
79
813
921
1021
1121
1221
1321
1421
1521
1625
1725
1825
1925
2025
2125
2225
2325
2425
2525
2625
2729
2837
2937
3037
3137
3237
3337
3437
3545
3645
3745
3845
3945
4045
4145
4245
4345
4445
4545
4645
4745
4845
4945
5045
5145
5245
5345
5449
5549
5649
5749
5849
5949
6049
6149
6249
6349
6453
6561
6661
6761
6861
6961
7061
7161

[1,5,9,9,9,9,9,9,13,21,21,21,21,21,21,21,25,25,25,
 25,25,25,25,25,25,25,25,29,37,37,37,37,37,37,37,
 45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,
 45,45,45,49,49,49,49,49,49,49,49,49,49,53,61,61,
 61,61,61,61,61]