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A318536 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1213
1314
1415
1516
1617
1718
1819
1920
2021
2122
2224
2325
2426
2527
2628
2729
2830
2931
3032
3133
3235
3336
3437
3538
3639
3740
3841
3942
4043
4144
4246
4347
4448
4549
4650
4751
4852
4953
5054
5155
5257
5358
5459
5560
5661
5762
5863
5964
6065
6166
6268
6369
6470
6571
6672
6773
6874
6975
7076
7177
7279
7380
7481
7582
7683
7784
7885
7986
8087
8188
8290
8391

[1,2,3,4,5,6,7,8,9,10,11,13,14,15,16,17,18,19,20,
 21,22,24,25,26,27,28,29,30,31,32,33,35,36,37,38,
 39,40,41,42,43,44,46,47,48,49,50,51,52,53,54,55,
 57,58,59,60,61,62,63,64,65,66,68,69,70,71,72,73,
 74,75,76,77,79,80,81,82,83,84,85,86,87,88,90,91]