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A130772 as a simple table

na(n)
02
12
20
3-2
4-2
50
62
72
80
9-2
10-2
110
122
132
140
15-2
16-2
170
182
192
200
21-2
22-2
230
242
252
260
27-2
28-2
290
302
312
320
33-2
34-2
350
362
372
380
39-2
40-2
410
422
432
440
45-2
46-2
470
482
492

[2,2,0,-2,-2,0,2,2,0,-2,-2,0,2,2,0,-2,-2,0,2,2,0,
 -2,-2,0,2,2,0,-2,-2,0,2,2,0,-2,-2,0,2,2,0,-2,-2,0,
 2,2,0,-2,-2,0,2,2]