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A209413 as a simple table

na(n)
11
21
32
41
53
64
71
85
97
108
111
126
1317
1415
1516
161
178
1823
1949
2031
2132
221
239
2439
2572
26129
2763
2864
291
3011
3148
32150
33201
34321
35127
36128
371
3812
3970
40198
41501
42522
43769
44255
45256
461
4714
4882
49338
50699
511524
521291
531793
54511
55512
561
5715
58110
59420
601375
612223
624339
633084
644097
651023
661024

[1,1,2,1,3,4,1,5,7,8,1,6,17,15,16,1,8,23,49,31,32,
 1,9,39,72,129,63,64,1,11,48,150,201,321,127,128,1,
 12,70,198,501,522,769,255,256,1,14,82,338,699,
 1524,1291,1793,511,512,1,15,110,420,1375,2223,
 4339,3084,4097,1023,1024]