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A123583 as a simple table

na(n)
00
11
20
3-1
40
50
64
70
8-4
91
100
11-9
120
1324
140
15-16
160
170
1816
190
20-80
210
22128
230
24-64
251
260
27-25
280
29200
300
31-560
320
33640
340
35-256
360
370
3836
390
40-420
410
421792
430
44-3456
450
463072
470
48-1024
491
500
51-49
520
53784
540
55-4704
560
5713440
580
59-19712
600
6114336
620
63-4096

[0,1,0,-1,0,0,4,0,-4,1,0,-9,0,24,0,-16,0,0,16,0,
 -80,0,128,0,-64,1,0,-25,0,200,0,-560,0,640,0,-256,
 0,0,36,0,-420,0,1792,0,-3456,0,3072,0,-1024,1,0,
 -49,0,784,0,-4704,0,13440,0,-19712,0,14336,0,
 -4096]