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A204157 as a simple table

na(n)
11
2-1
3-13
4-4
51
688
778
89
9-1
10-496
11-704
12-260
13-16
141
152560
164960
173080
18650
1925
20-1
21-12544
22-30720
23-26784
24-9856
25-1365
26-36
271
2859392
29175616
30197120
31104160
3225872
332548
3449
35-1
36-274432
37-950272
38-1304576
39-901120
40-327360
41-59136
42-4368
43-64
441
451245184
464939776
478017920
486849024
493294720

[1,-1,-13,-4,1,88,78,9,-1,-496,-704,-260,-16,1,
 2560,4960,3080,650,25,-1,-12544,-30720,-26784,
 -9856,-1365,-36,1,59392,175616,197120,104160,
 25872,2548,49,-1,-274432,-950272,-1304576,-901120,
 -327360,-59136,-4368,-64,1,1245184,4939776,
 8017920,6849024,3294720]