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A119263 as a simple table

na(n)
13
22
31
44
57
66
75
89
98
1011
1110
1212
1315
1414
1513
1616
1717
1818
1919
2020
2123
2222
2321
2425
2524
2626
2728
2827
2931
3030
3129
3232
3335
3434
3533
3636
3739
3838
3937
4040
4143
4242
4341
4445
4544
4647
4746
4850
4949
5048
5151
5252
5353
5454
5555
5656
5759
5858
5957
6060
6162
6261
6364
6463
6567
6666
6765
6868
6971
7070
7169
7272

[3,2,1,4,7,6,5,9,8,11,10,12,15,14,13,16,17,18,19,
 20,23,22,21,25,24,26,28,27,31,30,29,32,35,34,33,
 36,39,38,37,40,43,42,41,45,44,47,46,50,49,48,51,
 52,53,54,55,56,59,58,57,60,62,61,64,63,67,66,65,
 68,71,70,69,72]