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A273751 as a simple table

na(n)
11
22
33
44
55
67
76
88
910
1013
119
1211
1314
1417
1521
1612
1715
1818
1922
2026
2131
2216
2319
2423
2527
2632
2737
2843
2920
3024
3128
3233
3338
3444
3550
3657
3725
3829
3934
4039
4145
4251
4358
4465
4573
4630
4735
4840
4946
5052
5159
5266
5374
5482
5591
5636
5741
5847
5953
6060
6167
6275
6383
6492
65101
66111

[1,2,3,4,5,7,6,8,10,13,9,11,14,17,21,12,15,18,22,
 26,31,16,19,23,27,32,37,43,20,24,28,33,38,44,50,
 57,25,29,34,39,45,51,58,65,73,30,35,40,46,52,59,
 66,74,82,91,36,41,47,53,60,67,75,83,92,101,111]