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A076257 as a simple table

na(n)
01
1-2
20
36
40
5-2
6-24
70
824
90
10120
110
12-240
130
1424
15-720
160
172400
180
19-720
200
215040
220
23-25200
240
2515120
260
27-720
28-40320
290
30282240
310
32-282240
330
3440320
350
36362880
370
38-3386880
390
405080320
410
42-1451520
430
4440320
45-3628800
460
4743545600
480
49-91445760
500
5143545600
520

[1,-2,0,6,0,-2,-24,0,24,0,120,0,-240,0,24,-720,0,
 2400,0,-720,0,5040,0,-25200,0,15120,0,-720,-40320,
 0,282240,0,-282240,0,40320,0,362880,0,-3386880,0,
 5080320,0,-1451520,0,40320,-3628800,0,43545600,0,
 -91445760,0,43545600,0]