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A345884 as a simple table

na(n)
11
2-2
37
4-26
5103
6-442
71982
8-9122
942985
10-206526
111007322
12-4974066
1324819268
14-124949782
15633882799
16-3237261340
1716629986395
18-85873762466
19445491479309
20-2320717519612
2112134813554225
22-63667883444468
23335083404759136
24-1768545061282712
259358571746569760

[1,-2,7,-26,103,-442,1982,-9122,42985,-206526,
 1007322,-4974066,24819268,-124949782,633882799,
 -3237261340,16629986395,-85873762466,445491479309,
 -2320717519612,12134813554225,-63667883444468,
 335083404759136,-1768545061282712,
 9358571746569760]