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A268087 as a simple table

na(n)
12
23
33
45
54
64
75
88
97
105
117
127
135
147
158
1613
1711
189
1912
209
216
2210
2311
2411
2510
266
279
2812
299
3011
3113
3221
3318
3414
3519
3616
3711
3817
3919
4014
4113
427
4311
4417
4513
4615
4718
4818
4915
5013
5117
5211
537
5413
5514
5619
5717
5811
5916
6019
6114
6218
6321
6434
6529
6623
6731
6825
6917
7027
7130
7225
7323
7413
7520
7629
7722
7826
7931
8023
8119
8217
8322
8413
858
8616
8717
8827

[2,3,3,5,4,4,5,8,7,5,7,7,5,7,8,13,11,9,12,9,6,10,
 11,11,10,6,9,12,9,11,13,21,18,14,19,16,11,17,19,
 14,13,7,11,17,13,15,18,18,15,13,17,11,7,13,14,19,
 17,11,16,19,14,18,21,34,29,23,31,25,17,27,30,25,
 23,13,20,29,22,26,31,23,19,17,22,13,8,16,17,27]