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A054654 as a simple table

na(n)
01
11
20
31
4-1
50
61
7-3
82
90
101
11-6
1211
13-6
140
151
16-10
1735
18-50
1924
200
211
22-15
2385
24-225
25274
26-120
270
281
29-21
30175
31-735
321624
33-1764
34720
350
361
37-28
38322
39-1960
406769
41-13132
4213068
43-5040
440

[1,1,0,1,-1,0,1,-3,2,0,1,-6,11,-6,0,1,-10,35,-50,
 24,0,1,-15,85,-225,274,-120,0,1,-21,175,-735,1624,
 -1764,720,0,1,-28,322,-1960,6769,-13132,13068,
 -5040,0]