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A215284 as a simple table

na(n)
15
28
312
418
520
621
724
828
932
1040
1144
1248
1352
1453
1556
1660
1768
1869
1972
2076
2177
2280
2384
2488
2592
2696
2799
28104
29108
30112
31116
32120
33124
34125
35126
36128
37132
38136
39140
40141
41148
42150
43152
44156
45160
46162
47164
48165
49168
50172
51176
52180
53184
54188
55189
56192
57197

[5,8,12,18,20,21,24,28,32,40,44,48,52,53,56,60,68,
 69,72,76,77,80,84,88,92,96,99,104,108,112,116,120,
 124,125,126,128,132,136,140,141,148,150,152,156,
 160,162,164,165,168,172,176,180,184,188,189,192,
 197]