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A026648 as a simple table

na(n)
11
21
31
41
53
61
71
84
94
101
111
126
138
146
151
161
177
1814
1914
207
211
221
239
2421
2536
2621
279
281
291
3010
3130
3257
3357
3430
3510
361
371
3812
3940
40108
41114
42108
4340
4412
451
461
4713
4852
49148
50222
51222
52148
5352
5413
551
561
5715
5865
59240
60370
61558
62370
63240
6465
6515
661
671
6816

[1,1,1,1,3,1,1,4,4,1,1,6,8,6,1,1,7,14,14,7,1,1,9,
 21,36,21,9,1,1,10,30,57,57,30,10,1,1,12,40,108,
 114,108,40,12,1,1,13,52,148,222,222,148,52,13,1,1,
 15,65,240,370,558,370,240,65,15,1,1,16]