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A104033 as a simple table

na(n)
01
1-3
21
325
4-10
51
6-427
7175
8-21
91
1012465
11-5124
12630
13-36
141
15-555731
16228525
17-28182
181650
19-55
201
2135135945
22-14449006
231782495
24-104676
253575
26-78
271
28-2990414715
291229758075
30-151714563
318912475
32-305305
336825
34-105
351
36329655706465
37-135565467080
3816724709820
39-982532408

[1,-3,1,25,-10,1,-427,175,-21,1,12465,-5124,630,
 -36,1,-555731,228525,-28182,1650,-55,1,35135945,
 -14449006,1782495,-104676,3575,-78,1,-2990414715,
 1229758075,-151714563,8912475,-305305,6825,-105,1,
 329655706465,-135565467080,16724709820,-982532408]