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A273825 as a simple table

na(n)
11
22
33
44
55
61
76
87
98
102
119
123
1310
1411
1512
164
1713
185
191
2014
216
2215
2316
2417
257
2618
278
282
2919
309
313
3220
3310
3421
3522
3623
3711
3824
3912
404
4125
4213
435
441
4526
4614
476
4827
4915
5028
5129
5230
5316
5431
5517
567
5732
5818
598
602
6133
6219
639
643
6534
6620
6710
6835
6921
7036
7137
7238
7322

[1,2,3,4,5,1,6,7,8,2,9,3,10,11,12,4,13,5,1,14,6,
 15,16,17,7,18,8,2,19,9,3,20,10,21,22,23,11,24,12,
 4,25,13,5,1,26,14,6,27,15,28,29,30,16,31,17,7,32,
 18,8,2,33,19,9,3,34,20,10,35,21,36,37,38,22]