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A326724 as a simple table

na(n)
01
1-1
21
35
4-10
55
6-61
7183
8-183
961
101385
11-5540
128310
13-5540
141385
15-50521
16252605
17-505210
18505210
19-252605
2050521
212702765
22-16216590
2340541475
24-54055300
2540541475
26-16216590
272702765
28-199360981
291395526867
30-4186580601
316977634335
32-6977634335
334186580601
34-1395526867
35199360981

[1,-1,1,5,-10,5,-61,183,-183,61,1385,-5540,8310,
 -5540,1385,-50521,252605,-505210,505210,-252605,
 50521,2702765,-16216590,40541475,-54055300,
 40541475,-16216590,2702765,-199360981,1395526867,
 -4186580601,6977634335,-6977634335,4186580601,
 -1395526867,199360981]