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A144652 as a simple table

na(n)
12
23
36
45
58
612
76
811
915
1020
118
1213
1319
1424
1530
169
1716
1822
1929
2035
2142
2211
2318
2426
2533
2641
2748
2856
2912
3021
3129
3238
3346
3455
3563
3672
3714
3823
3933
4042
4152
4261
4371
4480
4590
4615
4726
4836
4947
5057
5168
5278
5389
5499
55110
5617
5728
5840
5951
6063
6174
6286
6397
64109
65120
66132
6718
6831
6943
7056
7168

[2,3,6,5,8,12,6,11,15,20,8,13,19,24,30,9,16,22,29,
 35,42,11,18,26,33,41,48,56,12,21,29,38,46,55,63,
 72,14,23,33,42,52,61,71,80,90,15,26,36,47,57,68,
 78,89,99,110,17,28,40,51,63,74,86,97,109,120,132,
 18,31,43,56,68]