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A140769 as a simple table

na(n)
12
23
34
45
58
69
710
811
914
1015
1116
1217
1323
1426
1527
1628
1729
1832
1933
2034
2135
2238
2339
2444
2545
2646
2747
2850
2951
3052
3153
3256
3357
3458
3559
3662
3765
3868
3969
4070
4171
4274
4375
4476
4577
4682
4783
4886
4987
5088
5189
5292
5393
5494
5595
5698
5799
58104
59107
60112
61113
62116
63117
64118
65119
66122
67123
68124

[2,3,4,5,8,9,10,11,14,15,16,17,23,26,27,28,29,32,
 33,34,35,38,39,44,45,46,47,50,51,52,53,56,57,58,
 59,62,65,68,69,70,71,74,75,76,77,82,83,86,87,88,
 89,92,93,94,95,98,99,104,107,112,113,116,117,118,
 119,122,123,124]