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A176971 as a simple table

na(n)
01
10
20
31
4-1
51
60
7-1
82
9-2
101
111
12-3
134
14-3
150
164
17-7
187
19-3
20-4
2111
22-14
2310
241
25-15
2625
27-24
289
2916
30-40
3149
32-33
33-7
3456
35-89
3682
37-26
38-63
39145
40-171
41108
4237
43-208
44316
45-279
4671
47245
48-524
49595

[1,0,0,1,-1,1,0,-1,2,-2,1,1,-3,4,-3,0,4,-7,7,-3,
 -4,11,-14,10,1,-15,25,-24,9,16,-40,49,-33,-7,56,
 -89,82,-26,-63,145,-171,108,37,-208,316,-279,71,
 245,-524,595]