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A137456 as a simple table

na(n)
11
20
30
42
52
60
7-8
80
98
100
110
1236
130
14-72
150
1632
1712
180
19-144
200
21496
220
23-512
240
25128
260
270
28600
290
30-3200
310
325280
330
34-3200
350
36512
37120
380
39-2880
400
4119200
420
43-47104
440
4547232
460
47-18432
480
492048
500
510
5211760
530
54-117600
550
56385728
570
58-560000
590
60372736
610
62-100352
630
648192
651680
660
67-67200
680
69712320
700

[1,0,0,2,2,0,-8,0,8,0,0,36,0,-72,0,32,12,0,-144,0,
 496,0,-512,0,128,0,0,600,0,-3200,0,5280,0,-3200,0,
 512,120,0,-2880,0,19200,0,-47104,0,47232,0,-18432,
 0,2048,0,0,11760,0,-117600,0,385728,0,-560000,0,
 372736,0,-100352,0,8192,1680,0,-67200,0,712320,0]