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A153861 as a simple table

na(n)
01
11
21
32
43
51
63
76
84
91
104
1110
1210
135
141
155
1615
1720
1815
196
201
216
2221
2335
2435
2521
267
271
287
2928
3056
3170
3256
3328
348
351
368
3736
3884
39126
40126
4184
4236
439
441
459
4645
47120
48210
49252
50210
51120
5245
5310
541
5510
5655
57165
58330
59462
60462
61330
62165
6355
6411
651

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