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A077973 as a simple table

na(n)
01
1-1
21
31
4-3
55
6-3
7-3
813
9-19
1013
1113
12-51
1377
14-51
15-51
16205
17-307
18205
19205
20-819
211229
22-819
23-819
243277
25-4915
263277
273277
28-13107
2919661
30-13107
31-13107
3252429
33-78643
3452429
3552429
36-209715
37314573
38-209715
39-209715
40838861
41-1258291
42838861
43838861
44-3355443
455033165
46-3355443

[1,-1,1,1,-3,5,-3,-3,13,-19,13,13,-51,77,-51,-51,
 205,-307,205,205,-819,1229,-819,-819,3277,-4915,
 3277,3277,-13107,19661,-13107,-13107,52429,-78643,
 52429,52429,-209715,314573,-209715,-209715,838861,
 -1258291,838861,838861,-3355443,5033165,-3355443]