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A111791 as a simple table

na(n)
11
22
33
44
56
69
712
818
936
105
117
128
1310
1413
1514
1615
1716
1820
1921
2023
2124
2225
2326
2427
2528
2630
2735
2837
2939
3040
3142
3245
3346
3448
3549
3650
3752
3854
3956
4060
4161
4263
4364
4465
4569
4670
4772
4874
4975
5078
5180
5281
5384
5490
5591
5692
5798
58100

[1,2,3,4,6,9,12,18,36,5,7,8,10,13,14,15,16,20,21,
 23,24,25,26,27,28,30,35,37,39,40,42,45,46,48,49,
 50,52,54,56,60,61,63,64,65,69,70,72,74,75,78,80,
 81,84,90,91,92,98,100]