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A261955 as a simple table

na(n)
01
13
26
315
412
524
615
733
821
945
1039
1172
1236
1378
1439
1587
1645
1799
1863
19126
2060
21132
2263
23141
2469
25153
2687
27180
2884
29186
3087
31195
3293
33207
34111
35234
36108
37240
38111
39249
40117
41261
42135
43288
44132
45294
46135
47303
48141
49315
50159

[1,3,6,15,12,24,15,33,21,45,39,72,36,78,39,87,45,
 99,63,126,60,132,63,141,69,153,87,180,84,186,87,
 195,93,207,111,234,108,240,111,249,117,261,135,
 288,132,294,135,303,141,315,159]