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A244912 as a simple table

na(n)
21
32
43
54
66
77
89
99
1011
1112
1215
1316
1418
1520
1620
1721
1825
1926
2029
2131
2233
2334
2438
2536
2638
2739
2842
2943
3047
3148
3252
3354
3456
3558
3658
3759
3861
3963
4067
4168
4272
4373
4476
4579
4681
4782
4888
4984
5088
5190
5293
5394
5499
55101
56105
57107
58109
59110
60116
61117
62119
63122
64117
65119
66123

[1,2,3,4,6,7,9,9,11,12,15,16,18,20,20,21,25,26,29,
 31,33,34,38,36,38,39,42,43,47,48,52,54,56,58,58,
 59,61,63,67,68,72,73,76,79,81,82,88,84,88,90,93,
 94,99,101,105,107,109,110,116,117,119,122,117,119,
 123]