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A152237 as a simple table

na(n)
01
11
21
31
44
51
61
79
89
91
101
118
1212
138
141
151
1615
1720
1820
1915
201
211
2212
2345
2440
2545
2612
271
281
2921
3063
31105
32105
3363
3421
351
361
3716
3856
39112
40140
41112
4256
4316
441
451
4627
4772
48168
49252
50252
51168
5272
5327
541
551
5620
57135
58240
59420
60504
61420
62240
63135
6420
651

[1,1,1,1,4,1,1,9,9,1,1,8,12,8,1,1,15,20,20,15,1,1,
 12,45,40,45,12,1,1,21,63,105,105,63,21,1,1,16,56,
 112,140,112,56,16,1,1,27,72,168,252,252,168,72,27,
 1,1,20,135,240,420,504,420,240,135,20,1]