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A189030 as a simple table

na(n)
12
24
36
47
510
612
714
816
917
1019
1123
1225
1326
1427
1528
1630
1731
1837
1940
2042
2143
2244
2345
2446
2548
2649
2752
2856
2959
3063
3164
3266
3367
3468
3569
3672
3773
3875
3976
4077
4178
4281
4382
4488
4589
4691
4793
4899
49100
50104
51105
52107
53108
54109
55111
56113
57115
58118
59119
60120
61121
62122
63123
64126
65127
66128

[2,4,6,7,10,12,14,16,17,19,23,25,26,27,28,30,31,
 37,40,42,43,44,45,46,48,49,52,56,59,63,64,66,67,
 68,69,72,73,75,76,77,78,81,82,88,89,91,93,99,100,
 104,105,107,108,109,111,113,115,118,119,120,121,
 122,123,126,127,128]