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A317506 as a simple table

na(n)
01
12
24
38
416
5-1
632
7-4
864
9-12
10128
11-32
12256
13-80
141
15512
16-192
176
181024
19-448
2024
212048
22-1024
2380
244096
25-2304
26240
27-1
288192
29-5120
30672
31-8
3216384
33-11264
341792
35-40
3632768
37-24576
384608
39-160
4065536
41-53248
4211520
43-560
441
45131072
46-114688
4728160
48-1792
4910

[1,2,4,8,16,-1,32,-4,64,-12,128,-32,256,-80,1,512,
 -192,6,1024,-448,24,2048,-1024,80,4096,-2304,240,
 -1,8192,-5120,672,-8,16384,-11264,1792,-40,32768,
 -24576,4608,-160,65536,-53248,11520,-560,1,131072,
 -114688,28160,-1792,10]