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A032881 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1012
1113
1214
1315
1416
1517
1618
1719
1823
1924
2025
2126
2227
2328
2429
2534
2635
2736
2837
2938
3039
3145
3246
3347
3448
3549
3656
3757
3858
3959
4067
4168
4269
4378
4479
4589
46101
47102
48103
49104
50105
51106
52107
53108
54109
55201
56202
57203
58204
59205

[1,2,3,4,5,6,7,8,9,12,13,14,15,16,17,18,19,23,24,
 25,26,27,28,29,34,35,36,37,38,39,45,46,47,48,49,
 56,57,58,59,67,68,69,78,79,89,101,102,103,104,105,
 106,107,108,109,201,202,203,204,205]