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A288580 as a simple table

na(n)
01
11
2-1
31
4-1
54
61
71
8-4
9-36
101
111
12-2
139
14576
151
161
17-4
18-9
1964
20-14400
211
221
232
24-3
25-8
26-225
27518400
281
291
302
31-6
32-16
3340
34-2304
35-25401600
361
371
382
39-9
40-4
41-15
42324
4311025
441625702400
451
461
472
483
49-8
50-25
51144
52280
53147456
54-131681894400
551
561
572
583
59-12
60-5
61-24
62105
63-2240
64-893025
6513168189440000

[1,1,-1,1,-1,4,1,1,-4,-36,1,1,-2,9,576,1,1,-4,-9,
 64,-14400,1,1,2,-3,-8,-225,518400,1,1,2,-6,-16,40,
 -2304,-25401600,1,1,2,-9,-4,-15,324,11025,
 1625702400,1,1,2,3,-8,-25,144,280,147456,
 -131681894400,1,1,2,3,-12,-5,-24,105,-2240,
 -893025,13168189440000]