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A123050 as a simple table

na(n)
01
11
22
32
42
54
64
74
86
96
106
118
128
138
1412
1512
1612
1714
1816
1916
2018
2118
2222
2324
2424
2524
2630
2730
2830
2932
3038
3138
3240
3340
3446
3548
3648
3748
3858
3958
4058
4160
4268
4368
4470
4570
4680
4782
4882
4982
5094
5194
5294
5396
54108
55108
56110
57110
58122
59124
60124
61124
62140
63140
64140
65142
66156
67156
68158

[1,1,2,2,2,4,4,4,6,6,6,8,8,8,12,12,12,14,16,16,18,
 18,22,24,24,24,30,30,30,32,38,38,40,40,46,48,48,
 48,58,58,58,60,68,68,70,70,80,82,82,82,94,94,94,
 96,108,108,110,110,122,124,124,124,140,140,140,
 142,156,156,158]