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A270436 as a simple table

na(n)
11
22
33
44
55
66
77
8128
99
1010
1111
1212
1313
1414
1515
1616
1717
1818
1919
2020
2121
2222
2323
24384
2525
2626
272187
2828
2929
3030
3131
328192
3333
3434
3535
3636
3737
3838
3939
40640
4141
4242
4343
4444
4545
4646
4747
4848
4949
5050
5151
5252
5353
544374
5555
56896
5757
5858
5959
6060
6161
6262
6363
6416384
6565
6666
6767
6868
6969
7070
7171
721152
7373
7474
7575

[1,2,3,4,5,6,7,128,9,10,11,12,13,14,15,16,17,18,
 19,20,21,22,23,384,25,26,2187,28,29,30,31,8192,33,
 34,35,36,37,38,39,640,41,42,43,44,45,46,47,48,49,
 50,51,52,53,4374,55,896,57,58,59,60,61,62,63,
 16384,65,66,67,68,69,70,71,1152,73,74,75]