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A138232 as a simple table

na(n)
01
10
20
31
4-2
52
6-4
72
8-4
90
100
11-4
128
13-8
1416
15-8
1616
170
180
1916
20-32
2132
22-64
2332
24-64
250
260
27-64
28128
29-128
30256
31-128
32256
330
340
35256
36-512
37512
38-1024
39512
40-1024
410
420
43-1024
442048
45-2048
464096
47-2048
484096
490
500
514096
52-8192
538192
54-16384
558192
56-16384
570
580
59-16384
6032768

[1,0,0,1,-2,2,-4,2,-4,0,0,-4,8,-8,16,-8,16,0,0,16,
 -32,32,-64,32,-64,0,0,-64,128,-128,256,-128,256,0,
 0,256,-512,512,-1024,512,-1024,0,0,-1024,2048,
 -2048,4096,-2048,4096,0,0,4096,-8192,8192,-16384,
 8192,-16384,0,0,-16384,32768]