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A235352 as a simple table

na(n)
01
1-2
214
3-130
41382
5-15906
6192894
7-2427522
831405430
9-415086658
105580629870
11-76080887042
121049295082630
13-14613980359010
14205246677882078
15-2903566870820610
1641337029956899222
17-591796707042765954
188514525059135909070
19-123048063153362454402

[1,-2,14,-130,1382,-15906,192894,-2427522,
 31405430,-415086658,5580629870,-76080887042,
 1049295082630,-14613980359010,205246677882078,
 -2903566870820610,41337029956899222,
 -591796707042765954,8514525059135909070,
 -123048063153362454402]