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A085142 as a simple table

na(n)
01
10
2-4
34
4-4
54
6-4
78
8-4
90
10-4
118
12-4
130
14-4
154
16-4
170
180
198
20-4
21-4
22-4
238
240
250
260
274
28-4
290
30-4
318
32-4
33-4
340

[1,0,-4,4,-4,4,-4,8,-4,0,-4,8,-4,0,-4,4,-4,0,0,8,
 -4,-4,-4,8,0,0,0,4,-4,0,-4,8,-4,-4,0]