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A344742 as a simple table

na(n)
11
22
33
44
55
66
77
89
910
1011
1112
1213
1314
1415
1517
1618
1719
1820
1921
2022
2123
2225
2326
2428
2529
2630
2731
2833
2934
3035
3136
3237
3338
3439
3541
3642
3743
3844
3945
4046
4147
4249
4350
4451
4552
4653
4755
4857
4958
5059
5160
5261
5362
5463
5565
5666
5767
5868
5969
6070
6171
6272
6373
6474
6575
6676
6777

[1,2,3,4,5,6,7,9,10,11,12,13,14,15,17,18,19,20,21,
 22,23,25,26,28,29,30,31,33,34,35,36,37,38,39,41,
 42,43,44,45,46,47,49,50,51,52,53,55,57,58,59,60,
 61,62,63,65,66,67,68,69,70,71,72,73,74,75,76,77]