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A261017 as a simple table

na(n)
11
23
34
45
55
67
78
89
99
109
1111
1211
1313
1415
1516
1617
1717
1817
1917
2019
2119
2219
2321
2421
2523
2623
2723
2827
2929
3031
3132
3233
3333
3433
3533
3633
3735
3835
3935
4035
4137
4237
4337
4439
4539
4639
4739
4841
4941
5043
5143
5245
5345
5445
5547
5647
5747
5847

[1,3,4,5,5,7,8,9,9,9,11,11,13,15,16,17,17,17,17,
 19,19,19,21,21,23,23,23,27,29,31,32,33,33,33,33,
 33,35,35,35,35,37,37,37,39,39,39,39,41,41,43,43,
 45,45,45,47,47,47,47]