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A121741 as a simple table

na(n)
11
23
36
48
510
615
721
824
927
1028
1135
1236
1342
1445
1548
1655
1760
1863
1964
2066
2178
2280
2381
2490
2591
2699
27105
28120
29125
30132
31136
32143
33153
34154
35162
36165
37168
38171
39190
40192
41195
42210
43216
44224
45231
46234
47253
48255
49260
50270
51273
52276
53280
54288
55300

[1,3,6,8,10,15,21,24,27,28,35,36,42,45,48,55,60,
 63,64,66,78,80,81,90,91,99,105,120,125,132,136,
 143,153,154,162,165,168,171,190,192,195,210,216,
 224,231,234,253,255,260,270,273,276,280,288,300]