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A177028 as a simple table

na(n)
33
44
55
66
73
87
98
109
114
1210
133
1411
1512
165
1713
1814
1915
206
213
2216
234
2417
2518
267
2719
2820
2921
308
313
3222
335
3423
3524
369
3725
384
3926
4027
4110
4228
436
443
4529
4630
4711
4831
4932
5033
5112
5234
537
5435
555
5636
5713
584
593
6037
6138
6239
6314
6440
658
6641
6742
6815

[3,4,5,6,3,7,8,9,4,10,3,11,12,5,13,14,15,6,3,16,4,
 17,18,7,19,20,21,8,3,22,5,23,24,9,25,4,26,27,10,
 28,6,3,29,30,11,31,32,33,12,34,7,35,5,36,13,4,3,
 37,38,39,14,40,8,41,42,15]