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A046900 as a simple table

na(n)
01
1-1
21
31
4-3
52
61
73
8-10
96
10-1
119
1210
13-42
1424
15-17
1621
1750
1842
19-216
20120
21-107
22-33
23230
24294
25216
26-1320
27720
28-415
29-1173
30670
311974
321944
331320
34-9360
355040
361231
37-13515
38-4510
3911130
4017064
4114520
429360
43-75600
4440320
4556671
46-113739
47-131230
4820202
49136296
50157080
51121680
5275600

[1,-1,1,1,-3,2,1,3,-10,6,-1,9,10,-42,24,-17,21,50,
 42,-216,120,-107,-33,230,294,216,-1320,720,-415,
 -1173,670,1974,1944,1320,-9360,5040,1231,-13515,
 -4510,11130,17064,14520,9360,-75600,40320,56671,
 -113739,-131230,20202,136296,157080,121680,75600]