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A032866 as a simple table

na(n)
11
22
33
44
56
67
78
89
910
1011
1113
1214
1318
1419
1520
1622
1723
1826
1927
2030
2131
2233
2334
2435
2539
2640
2742
2843
2944
3054
3157
3258
3360
3461
3562
3666
3767
3869
3970
4071
4178
4279
4380
4481
4582
4683
4790
4891
4992
5094
5195
5299
53100
54101
55103
56104
57107
58117
59118
60119
61121

[1,2,3,4,6,7,8,9,10,11,13,14,18,19,20,22,23,26,27,
 30,31,33,34,35,39,40,42,43,44,54,57,58,60,61,62,
 66,67,69,70,71,78,79,80,81,82,83,90,91,92,94,95,
 99,100,101,103,104,107,117,118,119,121]