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A031478 as a simple table

na(n)
16
212
318
424
537
638
739
840
942
1048
1154
1260
1373
1474
1575
1676
1778
1884
1990
2096
21109
22110
23111
24112
25114
26120
27126
28132
29145
30146
31147
32148
33150
34156
35162
36168
37180
38221
39223
40224
41225
42226
43229
44230
45231
46232
47235
48236
49237
50238
51241

[6,12,18,24,37,38,39,40,42,48,54,60,73,74,75,76,
 78,84,90,96,109,110,111,112,114,120,126,132,145,
 146,147,148,150,156,162,168,180,221,223,224,225,
 226,229,230,231,232,235,236,237,238,241]