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A063420 as a simple table

na(n)
01
11
21
32
4-1
51
61
7-1
83
9-2
101
113
12-4
131
144
15-2
16-2
171
181
196
20-9
213
225
230
24-9
256
26-1
271
2810
29-15
303
313
32-1
336
345
35-24
3618
37-4
381
3915
40-20
41-6
4218
43-8
441
457
4614
47-49
4836
49-4
50-4
511
521
5321
54-21
55-35
5660
57-30
585
598
6028
61-84
6250
6320
64-30
6510
66-1
671
6828
69-14

[1,1,1,2,-1,1,1,-1,3,-2,1,3,-4,1,4,-2,-2,1,1,6,-9,
 3,5,0,-9,6,-1,1,10,-15,3,3,-1,6,5,-24,18,-4,1,15,
 -20,-6,18,-8,1,7,14,-49,36,-4,-4,1,1,21,-21,-35,
 60,-30,5,8,28,-84,50,20,-30,10,-1,1,28,-14]