login

A128018 as a simple table

na(n)
01
1-2
2-8
3-8
416
564
664
7-128
8-512
9-512
101024
114096
124096
13-8192
14-32768
15-32768
1665536
17262144
18262144
19-524288
20-2097152
21-2097152
224194304
2316777216
2416777216
25-33554432
26-134217728
27-134217728
28268435456
291073741824
301073741824
31-2147483648
32-8589934592

[1,-2,-8,-8,16,64,64,-128,-512,-512,1024,4096,
 4096,-8192,-32768,-32768,65536,262144,262144,
 -524288,-2097152,-2097152,4194304,16777216,
 16777216,-33554432,-134217728,-134217728,
 268435456,1073741824,1073741824,-2147483648,
 -8589934592]