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A249575 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1112
1213
1316
1417
1519
1621
1722
1824
1927
2028
2130
2231
2334
2437
2541
2643
2745
2851
2954
3055
3158
3260
3361
3467
3569
3673
3776
3879
3982
4083
4185
4291
4393
4494
4596
4697
47100
48103
49106
50115
51121
52124
53127
54130
55133
56136
57139
58142
59144
60145
61151
62160
63163

[1,2,3,4,5,6,7,8,9,10,12,13,16,17,19,21,22,24,27,
 28,30,31,34,37,41,43,45,51,54,55,58,60,61,67,69,
 73,76,79,82,83,85,91,93,94,96,97,100,103,106,115,
 121,124,127,130,133,136,139,142,144,145,151,160,
 163]