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A247067 as a simple table

na(n)
11
2-64
30
44096
523506
60
70
8-262144
9531441
10-1504384
110
120
136911282
140
150
1616777216
17-47295038
18-34012224
190
2096280576
210
220
230
240
25308391411
26-442322048
270
280
29-173439758
300
310
32-1073741824
330
343026882432
350
362176782336
37-2050092718
380
390
40-6161956864

[1,-64,0,4096,23506,0,0,-262144,531441,-1504384,0,
 0,6911282,0,0,16777216,-47295038,-34012224,0,
 96280576,0,0,0,0,308391411,-442322048,0,0,
 -173439758,0,0,-1073741824,0,3026882432,0,
 2176782336,-2050092718,0,0,-6161956864]