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A345035 as a simple table

na(n)
11
2-2
311
4-28
581
6-234
7739
8-2216
96545
10-19594
1159139
12-177408
13531181
14-1593614
154783799
16-14351032
1743044597
18-129133854
19387426799
20-1162281332
213486765521
22-10460293354
2331381119459
24-94143358440
25282429356977
26-847288080362
272541866366171

[1,-2,11,-28,81,-234,739,-2216,6545,-19594,59139,
 -177408,531181,-1593614,4783799,-14351032,
 43044597,-129133854,387426799,-1162281332,
 3486765521,-10460293354,31381119459,-94143358440,
 282429356977,-847288080362,2541866366171]