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A154343 as a simple table

na(n)
01
13
2-2
39
4-16
54
627
7-98
860
90
1081
11-544
12616
130
14-96
15243
16-2882
175400
180
19-3360
20960
21729
22-14896
2343564
240
25-72480
2646080
27-5760
282187
29-75938
30334740
310
32-1246560
331323840
34-362880
350
366561
37-384064
382495056
390
40-18801216
4129675520

[1,3,-2,9,-16,4,27,-98,60,0,81,-544,616,0,-96,243,
 -2882,5400,0,-3360,960,729,-14896,43564,0,-72480,
 46080,-5760,2187,-75938,334740,0,-1246560,1323840,
 -362880,0,6561,-384064,2495056,0,-18801216,
 29675520]