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A012094 as a simple table

na(n)
01
1-3
249
3-1859
4127297
5-13662371
62114110257
7-445110767139
8122308548673025
9-42491524107649475
1018204849127687565745
11-9427087716053634833795
125803356448065850202170945
13-4188507975000626549209008995
143502566426777342320289454951345

[1,-3,49,-1859,127297,-13662371,2114110257,
 -445110767139,122308548673025,-42491524107649475,
 18204849127687565745,-9427087716053634833795,
 5803356448065850202170945,
 -4188507975000626549209008995,
 3502566426777342320289454951345]