login

A055925 as a simple table

na(n)
1-1
21
30
4-2
50
61
76
80
9-6
101
11-24
120
1335
14-10
15-2
16120
170
18-225
1985
2030
21-9
22-720
230
241624
25-735
26-350
27189
28-9
295040
300
31-13132
326769
333920
34-2898
35252
3650
37-40320
380
39118124
40-67284
41-44898
4240824
43-4914
44-1800
45267
46362880
470
48-1172700
49723680

[-1,1,0,-2,0,1,6,0,-6,1,-24,0,35,-10,-2,120,0,
 -225,85,30,-9,-720,0,1624,-735,-350,189,-9,5040,0,
 -13132,6769,3920,-2898,252,50,-40320,0,118124,
 -67284,-44898,40824,-4914,-1800,267,362880,0,
 -1172700,723680]