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A138257 as a simple table

na(n)
11
21
33
41
57
65
73
82
97
107
116
125
137
1413
157
164
175
187
199
207
213
226
2310
2422
2511
267
2719
2813
2915
307
316
324
3331
345
3513
367
3719
3820
397
4022
4111
4213
4315
4431
457
4624
4710
4869
4943
5011
515
527
5344
5419
5531
5626
579
5815
5942
607
6131
626
6313
644
657
6631
6769
685
6967
7013
71124
7226
739
7419
7511
7620
7731
787
7918
8069
8128
8211
83126

[1,1,3,1,7,5,3,2,7,7,6,5,7,13,7,4,5,7,9,7,3,6,10,
 22,11,7,19,13,15,7,6,4,31,5,13,7,19,20,7,22,11,13,
 15,31,7,24,10,69,43,11,5,7,44,19,31,26,9,15,42,7,
 31,6,13,4,7,31,69,5,67,13,124,26,9,19,11,20,31,7,
 18,69,28,11,126]