login

A140333 as a simple table

na(n)
01
1-1
22
3-2
40
56
6-4
7-12
812
924
10-4
11-60
12-60
13120
14120
1524
16-120
17-720
18-240
191080
20720
21120
22840
23-2520
24-8400
250
2610080
275040
28-960
296720
3020160
31-47040
32-100800
3320160
34100800
3540320
36-12096
37-60480
38241920
39423360

[1,-1,2,-2,0,6,-4,-12,12,24,-4,-60,-60,120,120,24,
 -120,-720,-240,1080,720,120,840,-2520,-8400,0,
 10080,5040,-960,6720,20160,-47040,-100800,20160,
 100800,40320,-12096,-60480,241920,423360]