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A166919 as a simple table

na(n)
01
1-1
22
31
4-1
5-6
6-5
72
83
91
10-1
1124
1226
13-3
14-14
15-13
16-2
173
183
191
20-1
21-120
22-154
23-11
2473
2579
2647
2713
28-21
29-22
30-9
31-1
323
333
341
35-1
36720
371044
38220
39-427
40-547
41-361
42-245
43-41
44142
45149
4694
4730
48-8
49-30
50-17
51-8
52-1
533
543
551
56-1

[1,-1,2,1,-1,-6,-5,2,3,1,-1,24,26,-3,-14,-13,-2,3,
 3,1,-1,-120,-154,-11,73,79,47,13,-21,-22,-9,-1,3,
 3,1,-1,720,1044,220,-427,-547,-361,-245,-41,142,
 149,94,30,-8,-30,-17,-8,-1,3,3,1,-1]