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A176742 as a simple table

na(n)
01
10
2-2
30
42
50
6-2
70
82
90
10-2
110
122
130
14-2
150
162
170
18-2
190
202
210
22-2
230
242
250
26-2
270
282
290
30-2
310
322
330
34-2
350
362
370
38-2
390
402
410
42-2
430
442
450
46-2
470
482
490
50-2
510
522
530
54-2
550
562
570
58-2
590
602
610
62-2
630
642
650
66-2
670
682
690
70-2
710
722
730
74-2
750
762
770
78-2
790
802
810
82-2
830
842
850
86-2
870
882
890
90-2
910
922
930
94-2
950
962
970
98-2
990
1002
1010
102-2
1030
1042

[1,0,-2,0,2,0,-2,0,2,0,-2,0,2,0,-2,0,2,0,-2,0,2,0,
 -2,0,2,0,-2,0,2,0,-2,0,2,0,-2,0,2,0,-2,0,2,0,-2,0,
 2,0,-2,0,2,0,-2,0,2,0,-2,0,2,0,-2,0,2,0,-2,0,2,0,
 -2,0,2,0,-2,0,2,0,-2,0,2,0,-2,0,2,0,-2,0,2,0,-2,0,
 2,0,-2,0,2,0,-2,0,2,0,-2,0,2,0,-2,0,2]