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A111809 as a simple table

na(n)
11
22
33
48
54
66
75
818
912
1017
116
125
137
1432
1539
1616
1723
1836
198
2012
2110
2214
239
2424
2512
2620
2717
2823
2910
3015
317
3220
3311
3472
3548
3636
3747
3824
3935
4095
4172
4260
4312
4410
457
4612
4713
4898
4971
5082
5195
52101
5328
5441
5547
5658
5771
5896
5914
6021
6134
629
6334
6441
6515
6632
6716
6821
698
7023
7113
7215
7316
7424
7520

[1,2,3,8,4,6,5,18,12,17,6,5,7,32,39,16,23,36,8,12,
 10,14,9,24,12,20,17,23,10,15,7,20,11,72,48,36,47,
 24,35,95,72,60,12,10,7,12,13,98,71,82,95,101,28,
 41,47,58,71,96,14,21,34,9,34,41,15,32,16,21,8,23,
 13,15,16,24,20]