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A209260 as a simple table

na(n)
11
22
33
45
56
64
77
89
910
1012
1114
1215
1311
1418
1520
1621
1713
1822
1925
2027
2128
228
2326
2430
2533
2635
2736
2817
2924
3039
3142
3244
3345
3419
3534
3640
3749
3852
3954
4055
4138
4251
4356
4460
4563
4665
4766
4823
4950
5057
5168
5272
5375
5477
5578

[1,2,3,5,6,4,7,9,10,12,14,15,11,18,20,21,13,22,25,
 27,28,8,26,30,33,35,36,17,24,39,42,44,45,19,34,40,
 49,52,54,55,38,51,56,60,63,65,66,23,50,57,68,72,
 75,77,78]