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A050198 as a simple table

na(n)
12
23
34
45
57
69
711
813
916
1019
1121
1223
1325
1427
1529
1631
1734
1837
1941
2043
2146
2249
2351
2453
2556
2658
2761
2863
2966
3068
3171
3273
3375
3477
3579
3683
3785
3888
3991
4094
4196
4298
43100
44102
45105
46109
47111
48114
49117
50119
51121
52124
53127
54130
55132
56135
57137

[2,3,4,5,7,9,11,13,16,19,21,23,25,27,29,31,34,37,
 41,43,46,49,51,53,56,58,61,63,66,68,71,73,75,77,
 79,83,85,88,91,94,96,98,100,102,105,109,111,114,
 117,119,121,124,127,130,132,135,137]