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A287752 as a simple table

na(n)
01
13
24
37
416
563
60
7255
8256
9511
101536
111023
126144
134095
1426624
1561439
168192
17245759
18294912
19458751
201441792
213407871
221572864
2313631487
246291456
2558720255
26117440512
2733554431
28473956352
291065353215
3058720256
314177526783
321308622848
3314965276671

[1,3,4,7,16,63,0,255,256,511,1536,1023,6144,4095,
 26624,61439,8192,245759,294912,458751,1441792,
 3407871,1572864,13631487,6291456,58720255,
 117440512,33554431,473956352,1065353215,58720256,
 4177526783,1308622848,14965276671]