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A278502 as a simple table

na(n)
11
22
32
42
54
66
72
84
96
106
112
128
1312
146
154
166
1712
186
192
2012
2130
228
2312
246
256
264
2716
2824
2912
3012
316
3212
3330
346
352
3636
3730
3812
3930
406
418
4212
4324
4460
4524
466
476
4860
494
5016
5112
5230
5324
5412
5512
5612
576
5832
5948
6024
6136
6230
6312
6430
6560
666
672
6860
6930
7036
7130
726
7312
7430
7572
7660
7760
786
798
80210
8112
8224
8312
8424
8560
8624
8760
886
896
9048
91120
9272
9330
9460
954
9630
9716
9812
99180

[1,2,2,2,4,6,2,4,6,6,2,8,12,6,4,6,12,6,2,12,30,8,
 12,6,6,4,16,24,12,12,6,12,30,6,2,36,30,12,30,6,8,
 12,24,60,24,6,6,60,4,16,12,30,24,12,12,12,6,32,48,
 24,36,30,12,30,60,6,2,60,30,36,30,6,12,30,72,60,
 60,6,8,210,12,24,12,24,60,24,60,6,6,48,120,72,30,
 60,4,30,16,12,180]