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A356145 as a simple table

na(n)
01
11
2-1
31
43
5-4
61
7-15
825
9-4
10-7
111
12105
13-210
1470
1560
16-15
17-11
181
19-945
202205
21-1120
22-630
2370
24350
25126
26-15
27-26
28-16
291
3010395
31-27720
3218900
337875
34-2800
35-6930
36-1638
37560
38455
39784
40238
41-56
42-42
43-22
441
45-135135
46405405
47-346500
48-114345
4984700

[1,1,-1,1,3,-4,1,-15,25,-4,-7,1,105,-210,70,60,
 -15,-11,1,-945,2205,-1120,-630,70,350,126,-15,-26,
 -16,1,10395,-27720,18900,7875,-2800,-6930,-1638,
 560,455,784,238,-56,-42,-22,1,-135135,405405,
 -346500,-114345,84700]