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A203861 as a simple table

na(n)
01
1-3
2-9
320
445
50
6-151
7-231
80
9140
101107
112052
1249
13-1305
140
15-15004
16-28260
170
1817710
190
2081
21324040
22589953
230
24-375570
25-1089
260
27-124124
28-10659705
29-19764180
30-121
3112605358
320
330
344158315
350
36567552368
371052295189
38-780030
39-669901660
400
410
42-221399431
43-85965
440

[1,-3,-9,20,45,0,-151,-231,0,140,1107,2052,49,
 -1305,0,-15004,-28260,0,17710,0,81,324040,589953,
 0,-375570,-1089,0,-124124,-10659705,-19764180,
 -121,12605358,0,0,4158315,0,567552368,1052295189,
 -780030,-669901660,0,0,-221399431,-85965,0]