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A288459 as a simple table

na(n)
01
1-48
21344
3-24576
4218112
5-688128
6926416896
7-95932121088
85186228846592
9-154060166529024
101455620351852544
11-29436202608230400
1217834604768232734720
13-1968810407797802926080
14114581075578951670169600
15-3629224301781687956668416
1633517817437575659447648256
17-1040884075746436707891806208

[1,-48,1344,-24576,218112,-688128,926416896,
 -95932121088,5186228846592,-154060166529024,
 1455620351852544,-29436202608230400,
 17834604768232734720,-1968810407797802926080,
 114581075578951670169600,
 -3629224301781687956668416,
 33517817437575659447648256,
 -1040884075746436707891806208]