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A054376 as a simple table

na(n)
10
2-4
30
40
5-64
60
716
8256
94096
100
110
120
130
141048576
150
16-64
174096
18-262144
1916777216
20-1073741824
210
220
23-16384
240
25268435456
260
27-4398046511104
280
29256
300
3116777216
324294967296
330
34281474976710656
3572057594037927936
360
370
38-262144
390
400
410

[0,-4,0,0,-64,0,16,256,4096,0,0,0,0,1048576,0,-64,
 4096,-262144,16777216,-1073741824,0,0,-16384,0,
 268435456,0,-4398046511104,0,256,0,16777216,
 4294967296,0,281474976710656,72057594037927936,0,
 0,-262144,0,0,0]