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A292952 as a simple table

na(n)
01
1-1
2-1
32
49
54
6-95
7-414
849
910088
1055521
1113870
12-2024759
13-15787188
14-28612415
15616876274
167476967905
1732522642896
18-209513308607
19-4924388011050
20-38993940088199
21-11731860520780
223807154270837281
2352018152493218010
24278413297030360273

[1,-1,-1,2,9,4,-95,-414,49,10088,55521,13870,
 -2024759,-15787188,-28612415,616876274,7476967905,
 32522642896,-209513308607,-4924388011050,
 -38993940088199,-11731860520780,3807154270837281,
 52018152493218010,278413297030360273]