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A107985 as a simple table

na(n)
01
13
23
36
48
56
610
715
815
910
1015
1124
1227
1324
1415
1521
1635
1742
1842
1935
2021
2128
2248
2360
2464
2560
2648
2728
2836
2963
3081
3190
3290
3381
3463
3536
3645
3780
38105
39120
40125
41120
42105
4380
4445
4555
4699
47132
48154
49165
50165
51154
52132
5399
5455
5566
56120
57162
58192
59210
60216
61210
62192
63162
64120
6566

[1,3,3,6,8,6,10,15,15,10,15,24,27,24,15,21,35,42,
 42,35,21,28,48,60,64,60,48,28,36,63,81,90,90,81,
 63,36,45,80,105,120,125,120,105,80,45,55,99,132,
 154,165,165,154,132,99,55,66,120,162,192,210,216,
 210,192,162,120,66]