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A290736 as a simple table

na(n)
01
12
23
33
44
55
65
77
88
97
1010
1112
1212
1315
1416
1517
1621
1724
1825
1928
2033
2135
2241
2345
2446
2556
2661
2765
2874
2980
3088
3199
32110
33116
34128
35143
36153
37170
38186
39200
40221
41241
42259
43285
44308
45332
46366
47396
48426
49462
50502
51539
52587
53636
54678
55738
56796
57856
58925
59993

[1,2,3,3,4,5,5,7,8,7,10,12,12,15,16,17,21,24,25,
 28,33,35,41,45,46,56,61,65,74,80,88,99,110,116,
 128,143,153,170,186,200,221,241,259,285,308,332,
 366,396,426,462,502,539,587,636,678,738,796,856,
 925,993]