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A081061 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1011
1112
1213
1316
1417
1518
1619
1723
1824
1925
2027
2129
2231
2332
2436
2537
2641
2743
2847
2948
3049
3153
3254
3359
3461
3564
3667
3771
3872
3973
4079
4181
4283
4389
4496
4597
46101
47103
48107
49108
50109
51113
52121
53125
54127
55128
56131
57137
58139
59144
60149
61151
62157
63162
64163
65167

[1,2,3,4,5,6,7,8,9,11,12,13,16,17,18,19,23,24,25,
 27,29,31,32,36,37,41,43,47,48,49,53,54,59,61,64,
 67,71,72,73,79,81,83,89,96,97,101,103,107,108,109,
 113,121,125,127,128,131,137,139,144,149,151,157,
 162,163,167]