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A346314 as a simple table

na(n)
01
1-1
2-1
38
415
5124
6-3340
7-9311
8-102641
9-1880812
10150047424
11692058289
128916106452
13167039809897
147435628931289
15-1381243302601067
16-9407162843960561
17-165954439670564988
18-3103870029424074136
19-123659189880256295879
20-10671656695397289496160

[1,-1,-1,8,15,124,-3340,-9311,-102641,-1880812,
 150047424,692058289,8916106452,167039809897,
 7435628931289,-1381243302601067,-9407162843960561,
 -165954439670564988,-3103870029424074136,
 -123659189880256295879,-10671656695397289496160]