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A135278 as a simple table

na(n)
01
12
21
33
43
51
64
76
84
91
105
1110
1210
135
141
156
1615
1720
1815
196
201
217
2221
2335
2435
2521
267
271
288
2928
3056
3170
3256
3328
348
351
369
3736
3884
39126
40126
4184
4236
439
441
4510
4645
47120
48210
49252
50210
51120
5245
5310
541
5511
5655
57165
58330
59462
60462
61330
62165
6355
6411
651
6612
6766
68220
69495
70792
71924
72792

[1,2,1,3,3,1,4,6,4,1,5,10,10,5,1,6,15,20,15,6,1,7,
 21,35,35,21,7,1,8,28,56,70,56,28,8,1,9,36,84,126,
 126,84,36,9,1,10,45,120,210,252,210,120,45,10,1,
 11,55,165,330,462,462,330,165,55,11,1,12,66,220,
 495,792,924,792]