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A261831 as a simple table

na(n)
11
24
33
42
55
610
77
816
99
108
1111
1222
1313
1428
1515
1614
1717
1834
1919
2040
2121
2220
2323
2446
2525
2652
2727
2826
2929
3058
3131
3264
3333
3432
3535
3670
3737
3876
3939
4038
4141
4282
4343
4488
4545
4644
4747
4894
4949
50100
5151
5250
5353
54106
5555
56112
5757
5856
5959
60118
6161
62124
6363
6462
6565
66130
6767
68136
6969
7068
7171
72142
7373
74148
7575
7674
7777
78154
7979
80160
8181
8280

[1,4,3,2,5,10,7,16,9,8,11,22,13,28,15,14,17,34,19,
 40,21,20,23,46,25,52,27,26,29,58,31,64,33,32,35,
 70,37,76,39,38,41,82,43,88,45,44,47,94,49,100,51,
 50,53,106,55,112,57,56,59,118,61,124,63,62,65,130,
 67,136,69,68,71,142,73,148,75,74,77,154,79,160,81,
 80]