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A331228 as a simple table

na(n)
13
215
33
47
535
632
71
820
963
1015
1115
1255
133
144
1599
1696
1739
1891
19231
2011
2184
223
23224
24143
257
267
2735
285
2964
308
3139
32119
33455
341
3551
36255
37195
38320
39192
4096
4196
42187
43180
4495
45171
4655
47160
483135
49399
50255
515
5263
533
543
553
563
57247
5815
5915
6015
6115
6236
63231
64132
6555

[3,15,3,7,35,32,1,20,63,15,15,55,3,4,99,96,39,91,
 231,11,84,3,224,143,7,7,35,5,64,8,39,119,455,1,51,
 255,195,320,192,96,96,187,180,95,171,55,160,3135,
 399,255,5,63,3,3,3,3,247,15,15,15,15,36,231,132,
 55]