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A246698 as a simple table

na(n)
11
22
33
45
54
67
76
89
98
1012
1110
1214
1311
1416
1513
1618
1715
1820
1917
2023
2119
2225
2321
2427
2522
2629
2724
2831
2926
3033
3128
3235
3330
3438
3532
3640
3734
3842
3936
4044
4137
4246
4339
4448
4541
4650
4743
4852
4945
5054
5147
5257
5349
5459
5551
5661
5753
5863
5955
6065
6156
6267
6358
6469
6560
6671
6762

[1,2,3,5,4,7,6,9,8,12,10,14,11,16,13,18,15,20,17,
 23,19,25,21,27,22,29,24,31,26,33,28,35,30,38,32,
 40,34,42,36,44,37,46,39,48,41,50,43,52,45,54,47,
 57,49,59,51,61,53,63,55,65,56,67,58,69,60,71,62]