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A309560 as a simple table

na(n)
11
21
32
43
55
66
76
87
98
109
1111
1211
1310
1412
1513
1616
1715
1814
1916
2017
2120
2219
2317
2420
2523
2622
2723
2823
2924
3025
3126
3227
3327
3427
3529
3630
3731
3832
3930
4033
4135
4234
4334
4437
4538
4637
4736
4842
4938
5040
5142
5241
5345
5441
5543
5647
5748
5848
5949
6043
6145
6253
6352
6458
6544
6648
6754
6858

[1,1,2,3,5,6,6,7,8,9,11,11,10,12,13,16,15,14,16,
 17,20,19,17,20,23,22,23,23,24,25,26,27,27,27,29,
 30,31,32,30,33,35,34,34,37,38,37,36,42,38,40,42,
 41,45,41,43,47,48,48,49,43,45,53,52,58,44,48,54,
 58]