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A225129 as a simple table

na(n)
11
2-13
384
4-712
56916
6-55788
7432584
8-3555212
928927916
10-229458788
111847086584
12-14858027212
13118242773916
14-945499611788
157556178053084
16-60048635124212
17477995366994916
18-3810212526827288
1930296614848644584
20-240796293647346212
211916211884628153416

[1,-13,84,-712,6916,-55788,432584,-3555212,
 28927916,-229458788,1847086584,-14858027212,
 118242773916,-945499611788,7556178053084,
 -60048635124212,477995366994916,-3810212526827288,
 30296614848644584,-240796293647346212,
 1916211884628153416]