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A137337 as a simple table

na(n)
01
1-4
28
312
4-48
548
6-32
7192
8-384
9256
1080
11-640
121920
13-2560
141280
15-192
161920
17-7680
1815360
19-15360
206144
21448
22-5376
2326880
24-71680
25107520
26-86016
2728672
28-1024
2914336
30-86016
31286720
32-573440
33688128
34-458752
35131072
362304
37-36864
38258048
39-1032192
402580480
41-4128768
424128768
43-2359296
44589824

[1,-4,8,12,-48,48,-32,192,-384,256,80,-640,1920,
 -2560,1280,-192,1920,-7680,15360,-15360,6144,448,
 -5376,26880,-71680,107520,-86016,28672,-1024,
 14336,-86016,286720,-573440,688128,-458752,131072,
 2304,-36864,258048,-1032192,2580480,-4128768,
 4128768,-2359296,589824]