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A131238 as a simple table

na(n)
01
11
21
31
43
51
61
74
85
91
101
116
129
137
141
151
167
1717
1816
199
201
211
229
2324
2436
2525
2611
271
281
2910
3036
3160
3265
3336
3413
351
361
3712
3846
39102
40125
41106
4249
4315
441
451
4613
4762
48148
49237
50231
51161
5264
5317
541
551
5615
5775
58220
59385
60483
61392
62232
6381
6419
651
661
6716
6895
69295
70625
71868
72896
73624
74321
75100
7621
771

[1,1,1,1,3,1,1,4,5,1,1,6,9,7,1,1,7,17,16,9,1,1,9,
 24,36,25,11,1,1,10,36,60,65,36,13,1,1,12,46,102,
 125,106,49,15,1,1,13,62,148,237,231,161,64,17,1,1,
 15,75,220,385,483,392,232,81,19,1,1,16,95,295,625,
 868,896,624,321,100,21,1]