login

A059343 as a simple table

na(n)
01
12
2-2
34
4-12
58
612
7-48
816
9120
10-160
1132
12-120
13720
14-480
1564
16-1680
173360
18-1344
19128
201680
21-13440
2213440
23-3584
24256
2530240
26-80640
2748384
28-9216
29512
30-30240
31302400
32-403200
33161280
34-23040
351024
36-665280
372217600
38-1774080
39506880
40-56320
412048
42665280
43-7983360
4413305600

[1,2,-2,4,-12,8,12,-48,16,120,-160,32,-120,720,
 -480,64,-1680,3360,-1344,128,1680,-13440,13440,
 -3584,256,30240,-80640,48384,-9216,512,-30240,
 302400,-403200,161280,-23040,1024,-665280,2217600,
 -1774080,506880,-56320,2048,665280,-7983360,
 13305600]