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A308018 as a simple table

na(n)
11
22
33
44
55
66
77
88
910
1011
1112
1213
1315
1416
1517
1619
1720
1821
1922
2023
2125
2226
2327
2428
2529
2631
2733
2832
2935
3036
3137
3238
3340
3441
3542
3644
3745
3846
3947
4048
4149
4251
4352
4453
4555
4656
4758
4859
4961
5060
5162
5263
5365
5464
5566
5667
5768
5869
5971
6072
6174
6275
6376
6477
6579
6680

[1,2,3,4,5,6,7,8,10,11,12,13,15,16,17,19,20,21,22,
 23,25,26,27,28,29,31,33,32,35,36,37,38,40,41,42,
 44,45,46,47,48,49,51,52,53,55,56,58,59,61,60,62,
 63,65,64,66,67,68,69,71,72,74,75,76,77,79,80]