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A063724 as a simple table

na(n)
10
20
30
48
511
615
718
821
924
1027
1130
1233
1336
1439
1542
1645
1748
1851
1954
2057
2160
2263
2366
2469
2572
2675
2778
2881
2984
3087
3190
3293
3396
3499
35102
36105
37108
38111
39114
40117
41120
42123
43126
44129
45132
46135
47138
48141
49144
50147
51150
52153
53156
54159
55162
56165
57168
58171
59174
60177
61180

[0,0,0,8,11,15,18,21,24,27,30,33,36,39,42,45,48,
 51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,
 99,102,105,108,111,114,117,120,123,126,129,132,
 135,138,141,144,147,150,153,156,159,162,165,168,
 171,174,177,180]