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A176225 as a simple table

na(n)
01
11
21
31
4-3
51
61
7-15
8-15
91
101
11-51
12-63
13-51
141
151
16-159
17-207
18-207
19-159
201
211
22-483
23-639
24-675
25-639
26-483
271
281
29-1455
30-1935
31-2079
32-2079
33-1935
34-1455
351
361
37-4371
38-5823
39-6291
40-6399
41-6291
42-5823
43-4371
441
451
46-13119
47-17487
48-18927
49-19359
50-19359
51-18927
52-17487
53-13119
541

[1,1,1,1,-3,1,1,-15,-15,1,1,-51,-63,-51,1,1,-159,
 -207,-207,-159,1,1,-483,-639,-675,-639,-483,1,1,
 -1455,-1935,-2079,-2079,-1935,-1455,1,1,-4371,
 -5823,-6291,-6399,-6291,-5823,-4371,1,1,-13119,
 -17487,-18927,-19359,-19359,-18927,-17487,-13119,
 1]