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A172528 as a simple table

na(n)
01
11
21
31
42
53
63
71
83
98
1019
1138
1260
1360
141
154
1615
1753
18175
19535
201490
213675
227700
2312600
2412600
251
265
2724
28111
29494
302111
318634
3233635
33123998
34428820
351373820
364003230
3710325700
3822522500
3937837800
4037837800

[1,1,1,1,2,3,3,1,3,8,19,38,60,60,1,4,15,53,175,
 535,1490,3675,7700,12600,12600,1,5,24,111,494,
 2111,8634,33635,123998,428820,1373820,4003230,
 10325700,22522500,37837800,37837800]