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A013580 as a simple table

na(n)
01
11
21
31
43
51
61
74
84
91
101
115
129
135
141
151
166
1714
1814
196
201
211
227
2320
2429
2520
267
271
281
298
3027
3149
3249
3327
348
351
361
379
3835
3976
4099
4176
4235
439
441
451
4610
4744
48111
49175
50175
51111
5244
5310
541
551
5611
5754
58155
59286
60351
61286
62155
6354
6411
651
661
6712
6865
69209
70441
71637
72637
73441
74209
7565

[1,1,1,1,3,1,1,4,4,1,1,5,9,5,1,1,6,14,14,6,1,1,7,
 20,29,20,7,1,1,8,27,49,49,27,8,1,1,9,35,76,99,76,
 35,9,1,1,10,44,111,175,175,111,44,10,1,1,11,54,
 155,286,351,286,155,54,11,1,1,12,65,209,441,637,
 637,441,209,65]