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A209518 as a simple table

na(n)
01
11
23
31
44
56
61
75
810
910
101
116
1215
1320
1415
151
167
1721
1835
1935
2021
211
228
2328
2456
2570
2656
2728
281
299
3036
3184
32126
33126
3484
3536
361
3710
3845
39120
40210
41252
42210
43120
4445
451
4611
4755
48165
49330
50462
51462
52330
53165
5455

[1,1,3,1,4,6,1,5,10,10,1,6,15,20,15,1,7,21,35,35,
 21,1,8,28,56,70,56,28,1,9,36,84,126,126,84,36,1,
 10,45,120,210,252,210,120,45,1,11,55,165,330,462,
 462,330,165,55]