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A094138 as a simple table

na(n)
12
23
34
46
55
68
78
86
97
1011
1110
1210
138
1413
1513
1611
179
1814
1916
2010
2114
2213
2318
2411
2516
2616
2714
2819
2912
3021
3117
3220
3319
3413
3520
3623
3718
3816
3914
4021
4121
4220
4319
4417
4515
4622
4725
4825
4923
5022
5116
5228
5323
5428
5521
5626
5719
5817
5925
6024
6124
6222
6320
6418
6529
6625
6730
6828
6927
7023
7133
7228
7319

[2,3,4,6,5,8,8,6,7,11,10,10,8,13,13,11,9,14,16,10,
 14,13,18,11,16,16,14,19,12,21,17,20,19,13,20,23,
 18,16,14,21,21,20,19,17,15,22,25,25,23,22,16,28,
 23,28,21,26,19,17,25,24,24,22,20,18,29,25,30,28,
 27,23,33,28,19]