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A099087 as a simple table

na(n)
01
12
22
30
4-4
5-8
6-8
70
816
932
1032
110
12-64
13-128
14-128
150
16256
17512
18512
190
20-1024
21-2048
22-2048
230
244096
258192
268192
270
28-16384
29-32768
30-32768
310
3265536
33131072
34131072
350
36-262144
37-524288
38-524288
390
401048576
412097152
422097152
430
44-4194304
45-8388608
46-8388608
470
4816777216

[1,2,2,0,-4,-8,-8,0,16,32,32,0,-64,-128,-128,0,
 256,512,512,0,-1024,-2048,-2048,0,4096,8192,8192,
 0,-16384,-32768,-32768,0,65536,131072,131072,0,
 -262144,-524288,-524288,0,1048576,2097152,2097152,
 0,-4194304,-8388608,-8388608,0,16777216]