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A120370 as a simple table

na(n)
12
23
34
45
56
68
710
812
914
1016
1118
1220
1322
1424
1526
1628
1730
1833
1936
2039
2142
2245
2348
2451
2554
2657
2760
2863
2966
3069
3172
3275
3378
3481
3584
3687
3790
3893
3996
4099
41102
42105
43108
44111
45114
46117
47120
48123
49126
50129
51132
52135
53138
54141
55144
56147
57150
58153
59156
60159
61162
62165
63168

[2,3,4,5,6,8,10,12,14,16,18,20,22,24,26,28,30,33,
 36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,
 84,87,90,93,96,99,102,105,108,111,114,117,120,123,
 126,129,132,135,138,141,144,147,150,153,156,159,
 162,165,168]