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A354055 as a simple table

na(n)
11
2-2
3-1
44
5-19
6164
7-659
81408
9-18775
10642224
11-3578279
12-21642752
13-476298835
1411904106304
1525626362581
1668669145088
17-20903398375855
18212840905389824
19-6399968826052559
20-78465506362130432
211010700510694925525
22101465632831736751104
23-1123931378903214542099

[1,-2,-1,4,-19,164,-659,1408,-18775,642224,
 -3578279,-21642752,-476298835,11904106304,
 25626362581,68669145088,-20903398375855,
 212840905389824,-6399968826052559,
 -78465506362130432,1010700510694925525,
 101465632831736751104,-1123931378903214542099]