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A174017 as a simple table

na(n)
01
12
2-3
31
411
5-16
6-35
7-129
8299
9-386
10-3977
118063
1242489
13269344
14-1000009
153727745
1647166649
17-123526014
18-1764203419
19-18228952703
20113727892147
21-1065812586544
22-18344075481339
2352130069331199
242470319425874195

[1,2,-3,1,11,-16,-35,-129,299,-386,-3977,8063,
 42489,269344,-1000009,3727745,47166649,-123526014,
 -1764203419,-18228952703,113727892147,
 -1065812586544,-18344075481339,52130069331199,
 2470319425874195]