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A051598 as a simple table

na(n)
01
12
23
34
45
55
66
79
810
97
108
1115
1219
1317
149
1510
1623
1734
1836
1926
2011
2112
2233
2357
2470
2562
2637
2713
2814
2945
3090
31127
32132
3399
3450
3515
3616
3759
38135
39217
40259
41231
42149
4365
4417
4518
4675
47194
48352
49476
50490
51380
52214
5382
5419

[1,2,3,4,5,5,6,9,10,7,8,15,19,17,9,10,23,34,36,26,
 11,12,33,57,70,62,37,13,14,45,90,127,132,99,50,15,
 16,59,135,217,259,231,149,65,17,18,75,194,352,476,
 490,380,214,82,19]