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A163925 as a simple table

na(n)
11
24
34
46
59
64
76
88
96
108
119
1210
1315
1425
156
168
179
1810
198
209
2110
2212
2314
2415
2521
2625
2735
2849
298
309
3110
3212
3314
3416
359
3610
3712
3814
3915
4018
4121
4227
4310
4412
4514
4615
4716
4820
4925
5012
5114
5215
5316
5418
5520
5621
5722
5825
5927
6033
6135
6249
6355
6477
65121
6612
6714
6815
6916
7018
7122
7214
7315
7416
7518
7620

[1,4,4,6,9,4,6,8,6,8,9,10,15,25,6,8,9,10,8,9,10,
 12,14,15,21,25,35,49,8,9,10,12,14,16,9,10,12,14,
 15,18,21,27,10,12,14,15,16,20,25,12,14,15,16,18,
 20,21,22,25,27,33,35,49,55,77,121,12,14,15,16,18,
 22,14,15,16,18,20]