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A039016 as a simple table

na(n)
12
23
34
45
56
614
715
816
917
1020
1121
1222
1323
1426
1527
1628
1729
1832
1933
2034
2135
2238
2339
2440
2541
2648
2754
2860
2966
3073
3178
3286
3387
3488
3589
3692
3793
3894
3995
4098
4199
42100
43101
44104
45105
46106
47107
48109
49114
50122
51123
52124
53125
54128
55129
56130
57131
58134
59135
60136
61137
62140

[2,3,4,5,6,14,15,16,17,20,21,22,23,26,27,28,29,32,
 33,34,35,38,39,40,41,48,54,60,66,73,78,86,87,88,
 89,92,93,94,95,98,99,100,101,104,105,106,107,109,
 114,122,123,124,125,128,129,130,131,134,135,136,
 137,140]