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A144786 as a simple table

na(n)
11
21
33
44
55
61
77
88
99
1010
1111
123
1313
1414
1515
1616
1717
1818
1919
204
2121
2222
2323
2424
2525
2626
2727
2828
2929
305
3131
3232
3333
3434
3535
3636
3737
3838
3939
4040
4141
421
4343
4444
4545
4646
4747
4848
4949
5050
5151
5252
5353
5454
5555
567
5757
5858
5959
6060
6161
6262
6363
6464
6565
6666
6767
6868
6969
7070
7171
728
7373
7474
7575
7676

[1,1,3,4,5,1,7,8,9,10,11,3,13,14,15,16,17,18,19,4,
 21,22,23,24,25,26,27,28,29,5,31,32,33,34,35,36,37,
 38,39,40,41,1,43,44,45,46,47,48,49,50,51,52,53,54,
 55,7,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,
 8,73,74,75,76]