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A251592 as a simple table

na(n)
11
20
32
40
5-3
69
70
88
9-48
1064
110
12-30
13275
14-750
15625
160
17144
18-1800
197560
20-12960
217776
220
23-840
2413426
25-77175
26204085
27-252105
28117649
290
305760
31-112896
32831488
33-3010560
345734400
35-5505024
362097152
370
38-45360
391058508
40-9573228

[1,0,2,0,-3,9,0,8,-48,64,0,-30,275,-750,625,0,144,
 -1800,7560,-12960,7776,0,-840,13426,-77175,204085,
 -252105,117649,0,5760,-112896,831488,-3010560,
 5734400,-5505024,2097152,0,-45360,1058508,
 -9573228]