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A227938 as a simple table

na(n)
13
24
35
46
57
69
710
811
915
1016
1117
1218
1319
1420
1521
1624
1725
1828
1931
2032
2133
2234
2335
2441
2542
2644
2745
2846
2947
3049
3151
3253
3355
3458
3561
3662
3763
3864
3965
4066
4172
4274
4375
4476
4577
4678
4779
4880
4984
5086
5187
5288
5389
5490
5591
5692
5793
5894
59101
60102

[3,4,5,6,7,9,10,11,15,16,17,18,19,20,21,24,25,28,
 31,32,33,34,35,41,42,44,45,46,47,49,51,53,55,58,
 61,62,63,64,65,66,72,74,75,76,77,78,79,80,84,86,
 87,88,89,90,91,92,93,94,101,102]