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A128214 as a simple table

na(n)
01
10
20
3-2
43
50
6-5
76
80
9-8
109
110
12-11
1312
140
15-14
1615
170
18-17
1918
200
21-20
2221
230
24-23
2524
260
27-26
2827
290
30-29
3130
320
33-32
3433
350
36-35
3736
380
39-38
4039
410
42-41
4342
440
45-44
4645
470
48-47
4948
500
51-50
5251
530
54-53
5554
560
57-56
5857
590
60-59
6160
620
63-62
6463
650
66-65

[1,0,0,-2,3,0,-5,6,0,-8,9,0,-11,12,0,-14,15,0,-17,
 18,0,-20,21,0,-23,24,0,-26,27,0,-29,30,0,-32,33,0,
 -35,36,0,-38,39,0,-41,42,0,-44,45,0,-47,48,0,-50,
 51,0,-53,54,0,-56,57,0,-59,60,0,-62,63,0,-65]