login

A108085 as a simple table

na(n)
01
12
2-1
38
4-6
51
664
7-56
814
9-1
101024
11-960
12280
13-30
141
1532768
16-31744
179920
18-1240
1962
20-1
212097152
22-2064384
23666624
24-89280
255208
26-126
271
28268435456
29-266338304
3087392256
31-12094464
32755904
33-21336
34254
35-1
3668719476736
37-68451041280
3822638755840
39-3183575040
40205605888
41-6217920

[1,2,-1,8,-6,1,64,-56,14,-1,1024,-960,280,-30,1,
 32768,-31744,9920,-1240,62,-1,2097152,-2064384,
 666624,-89280,5208,-126,1,268435456,-266338304,
 87392256,-12094464,755904,-21336,254,-1,
 68719476736,-68451041280,22638755840,-3183575040,
 205605888,-6217920]