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A174160 as a simple table

na(n)
11
21
31
41
5-1
61
71
8-14
9-14
101
111
12-48
13-268
14-48
151
161
17-111
18-1896
19-1896
20-111
211
221
23-201
24-8643
25-25793
26-8643
27-201
281
291
30-290
31-29830
32-208862
33-208862
34-29830
35-290
361
371
38-292
39-83680
40-1206508
41-2799316
42-1206508
43-83680
44-292
451
461
471

[1,1,1,1,-1,1,1,-14,-14,1,1,-48,-268,-48,1,1,-111,
 -1896,-1896,-111,1,1,-201,-8643,-25793,-8643,-201,
 1,1,-290,-29830,-208862,-208862,-29830,-290,1,1,
 -292,-83680,-1206508,-2799316,-1206508,-83680,
 -292,1,1,1]