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A156346 as a simple table

na(n)
01
12
2-4
34
4-2
5-1
6-1
7-2
84
9-4
102
111
121
132
14-4
154
16-2
17-1
18-1
19-2
204
21-4
222
231
241
252
26-4
274
28-2
29-1
30-1
31-2
324
33-4
342
351
361
372
38-4
394
40-2
41-1
42-1
43-2
444
45-4
462
471

[1,2,-4,4,-2,-1,-1,-2,4,-4,2,1,1,2,-4,4,-2,-1,-1,
 -2,4,-4,2,1,1,2,-4,4,-2,-1,-1,-2,4,-4,2,1,1,2,-4,
 4,-2,-1,-1,-2,4,-4,2,1]