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A320455 as a simple table

na(n)
11
22
33
44
56
65
77
88
99
1010
1114
1211
1315
1413
1512
1616
1732
1817
1933
2018
2119
2220
2334
2421
2522
2631
2723
2825
2935
3024
3136
3226
3330
3437
3529
3627
3756
3838
3939
4028
4157
4240
4358
4441
4542
4653
4759
4843
4945
5044
5151
5250
5360
5446
5549
5648
5752
5854
5961
6047
6162
6255
6363
6464
6569
6668
67139

[1,2,3,4,6,5,7,8,9,10,14,11,15,13,12,16,32,17,33,
 18,19,20,34,21,22,31,23,25,35,24,36,26,30,37,29,
 27,56,38,39,28,57,40,58,41,42,53,59,43,45,44,51,
 50,60,46,49,48,52,54,61,47,62,55,63,64,69,68,139]