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A085801 as a simple table

na(n)
11
21
31
42
55
64
77
86
97
109
1111
1210
1313
1413
1513
1614
1717
1816
1919
2018
2119
2221
2323
2422
2525
2625
2725
2826
2929
3028
3131
3230
3331
3433
3535
3634
3737
3837
3937
4038
4141
4240
4343
4442
4543
4645
4747
4846
4949
5049
5149
5250
5353
5452
5555
5654
5755
5857
5959
6058
6161
6261
6361
6462
6565
6664
6767
6866

[1,1,1,2,5,4,7,6,7,9,11,10,13,13,13,14,17,16,19,
 18,19,21,23,22,25,25,25,26,29,28,31,30,31,33,35,
 34,37,37,37,38,41,40,43,42,43,45,47,46,49,49,49,
 50,53,52,55,54,55,57,59,58,61,61,61,62,65,64,67,
 66]