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A258746 as a simple table

na(n)
11
22
33
45
54
67
76
810
911
108
119
1214
1315
1412
1513
1621
1720
1823
1922
2017
2116
2219
2318
2429
2528
2631
2730
2825
2924
3027
3126
3242
3343
3440
3541
3646
3747
3844
3945
4034
4135
4232
4333
4438
4539
4636
4737
4858
4959
5056
5157
5262

[1,2,3,5,4,7,6,10,11,8,9,14,15,12,13,21,20,23,22,
 17,16,19,18,29,28,31,30,25,24,27,26,42,43,40,41,
 46,47,44,45,34,35,32,33,38,39,36,37,58,59,56,57,
 62]