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A173919 as a simple table

na(n)
11
22
33
44
55
66
77
810
911
1012
1113
1216
1317
1418
1519
1622
1723
1828
1929
2030
2131
2236
2337
2440
2541
2642
2743
2846
2947
3052
3153
3258
3359
3460
3561
3666
3767
3870
3971
4072
4173
4278
4379
4482
4583
4688
4789
4896
4997
50100
51101
52102
53103
54106
55107
56108
57109
58112
59113
60126
61127
62130
63131
64136
65137
66138
67139

[1,2,3,4,5,6,7,10,11,12,13,16,17,18,19,22,23,28,
 29,30,31,36,37,40,41,42,43,46,47,52,53,58,59,60,
 61,66,67,70,71,72,73,78,79,82,83,88,89,96,97,100,
 101,102,103,106,107,108,109,112,113,126,127,130,
 131,136,137,138,139]