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A054373 as a simple table

na(n)
10
2-8
30
40
5-2048
60
7192
816384
928311552
100
110
12-1179648
130
1429686813949952
150
16-7680
1767108864
18-289910292480
195699868278390784
20-3039929748475084800000
210
220
23-838860800
240
251094374709451030528
260
27-37180135792929290696471347200000
280

[0,-8,0,0,-2048,0,192,16384,28311552,0,0,-1179648,
 0,29686813949952,0,-7680,67108864,-289910292480,
 5699868278390784,-3039929748475084800000,0,0,
 -838860800,0,1094374709451030528,0,
 -37180135792929290696471347200000,0]