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A032993 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1116
1217
1318
1419
1520
1621
1728
1829
1930
2031
2132
2240
2341
2442
2543
2644
2752
2853
2954
3055
3156
3264
3365
3466
3567
3668
3776
3877
3978
4079
4180
4288
4389
4490
4591
4692
4799
48100
49101
50102
51103
52104
53110
54111
55112
56113
57114
58115
59116

[1,2,3,4,5,6,7,8,9,10,16,17,18,19,20,21,28,29,30,
 31,32,40,41,42,43,44,52,53,54,55,56,64,65,66,67,
 68,76,77,78,79,80,88,89,90,91,92,99,100,101,102,
 103,104,110,111,112,113,114,115,116]