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A154344 as a simple table

na(n)
01
10
2-2
30
4-3
53
60
7-4
812
90
100
11-5
1235
130
14-30
150
16-6
1790
180
19-360
20180
210
22-7
23217
240
25-2730
263150
27-630
280
29-8
30504
310
32-16800
3333600
34-15120
350
360
37-9
381143
390
40-91854
41283500
42-215460
430
4422680
450
46-10
472550
480
49-466200
502085300
51-2381400
520
53907200
54-226800

[1,0,-2,0,-3,3,0,-4,12,0,0,-5,35,0,-30,0,-6,90,0,
 -360,180,0,-7,217,0,-2730,3150,-630,0,-8,504,0,
 -16800,33600,-15120,0,0,-9,1143,0,-91854,283500,
 -215460,0,22680,0,-10,2550,0,-466200,2085300,
 -2381400,0,907200,-226800]