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A080686 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1212
1313
1414
1515
1616
1717
1818
1919
2020
2121
2222
2322
2423
2524
2625
2726
2827
2927
3028
3128
3229
3330
3431
3532
3633
3733
3834
3935
4036
4136
4237
4337
4438
4539
4639
4739
4840
4941
5042
5143
5244
5344
5445
5546
5647
5748
5848
5948
6049
6149
6249
6350
6451
6552
6653
6753
6854
6954
7055
7155
7256

[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,
 20,21,22,22,23,24,25,26,27,27,28,28,29,30,31,32,
 33,33,34,35,36,36,37,37,38,39,39,39,40,41,42,43,
 44,44,45,46,47,48,48,48,49,49,49,50,51,52,53,53,
 54,54,55,55,56]