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A058493 as a simple table

na(n)
01
14
20
3-4
416
50
66
740
80
9-8
1096
110
1217
13204
140
15-28
16400
170
1838
19760
200
21-56
221376
230
2484
252404
260
27-124
284096
290
30172
316808
320
33-232
3411072
350
36325
3717688
380
39-448
4027792
410
42594
4343008
440
45-784
4665696
470
481049
4999128
500

[1,4,0,-4,16,0,6,40,0,-8,96,0,17,204,0,-28,400,0,
 38,760,0,-56,1376,0,84,2404,0,-124,4096,0,172,
 6808,0,-232,11072,0,325,17688,0,-448,27792,0,594,
 43008,0,-784,65696,0,1049,99128,0]