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A225589 as a simple table

na(n)
11
22
34
43
58
65
76
816
97
109
1110
1212
1311
1432
1513
1614
1717
1815
1918
2020
2119
2224
2321
2422
2564
2623
2725
2826
2928
3027
3133
3229
3330
3434
3531
3636
3735
3840
3937
4038
4148
4239
4341
4442
4544
4643
47128
4845
4946
5049
5147
5250
5352
5451
5556
5653
5754
5865
5955
6057
6158
6260
6359
6466
6561
6662
6768

[1,2,4,3,8,5,6,16,7,9,10,12,11,32,13,14,17,15,18,
 20,19,24,21,22,64,23,25,26,28,27,33,29,30,34,31,
 36,35,40,37,38,48,39,41,42,44,43,128,45,46,49,47,
 50,52,51,56,53,54,65,55,57,58,60,59,66,61,62,68]