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A102052 as a simple table

na(n)
01
1-4
215
3-58
4229
5-924
63795
7-15822
866801
9-285072
101227759
11-5329938
1223299309
13-102474004
14453139947
15-2013469718
168985382889
17-40255260696
18180985860071
19-816328679450
203692868722661
21-16750809358364
2276170701553635
23-347166666620958
241585669523701729

[1,-4,15,-58,229,-924,3795,-15822,66801,-285072,
 1227759,-5329938,23299309,-102474004,453139947,
 -2013469718,8985382889,-40255260696,180985860071,
 -816328679450,3692868722661,-16750809358364,
 76170701553635,-347166666620958,1585669523701729]