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A256474 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1212
1314
1415
1516
1617
1718
1819
1920
2021
2122
2223
2324
2427
2528
2629
2730
2831
2932
3033
3134
3235
3336
3437
3540
3646
3747
3851
3952
4053
4154
4256
4357
4460
4562
4664
4766
4867
4968
5070
5171
5272
5375
5476
5578
5679
5780
5882
5983
6084
6185
6287
6389
6490
6591
6693
6794
6895
6997
7099
71100

[1,2,3,4,5,6,7,8,9,10,11,12,14,15,16,17,18,19,20,
 21,22,23,24,27,28,29,30,31,32,33,34,35,36,37,40,
 46,47,51,52,53,54,56,57,60,62,64,66,67,68,70,71,
 72,75,76,78,79,80,82,83,84,85,87,89,90,91,93,94,
 95,97,99,100]