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A065664 as a simple table

na(n)
11
22
3247
44
55
628
7127
88
99
1010
1111
1255
137
142017
15511
1616
1717
1818
1919
2020
2121
2222
2323
2452
253
26118
273847
28502
294060
30255
312047
3232
3333
3434
3535
3636
3737
3838
3939
4040
4141
4242
4343
4444
4545
4646
4747
48103
4913
5014335
517168
5258
53478
5461447
55967
5631999
57129022
584048
598323072

[1,2,247,4,5,28,127,8,9,10,11,55,7,2017,511,16,17,
 18,19,20,21,22,23,52,3,118,3847,502,4060,255,2047,
 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
 103,13,14335,7168,58,478,61447,967,31999,129022,
 4048,8323072]