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A248635 as a simple table

na(n)
11
22
33
44
56
67
79
810
912
1014
1115
1217
1319
1421
1522
1624
1726
1828
1930
2032
2133
2235
2337
2439
2541
2643
2745
2847
2948
3050
3152
3254
3356
3458
3560
3662
3764
3866
3968
4069
4171
4273
4375
4477
4579
4681
4783
4885
4987
5089
5191
5293
5395
5497
5599
56100
57102
58104
59106
60108
61110
62112
63114
64116

[1,2,3,4,6,7,9,10,12,14,15,17,19,21,22,24,26,28,
 30,32,33,35,37,39,41,43,45,47,48,50,52,54,56,58,
 60,62,64,66,68,69,71,73,75,77,79,81,83,85,87,89,
 91,93,95,97,99,100,102,104,106,108,110,112,114,
 116]