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A178141 as a simple table

na(n)
04
1-1
22
3-4
41
52
64
7-1
82
9-4
101
112
124
13-1
142
15-4
161
172
184
19-1
202
21-4
221
232
244
25-1
262
27-4
281
292
304
31-1
322
33-4
341
352
364
37-1
382
39-4
401
412
424
43-1
442
45-4
461
472
484
49-1
502
51-4
521
532
544
55-1
562
57-4
581
592
604
61-1
622
63-4
641
652
664
67-1
682
69-4
701
712
724
73-1
742
75-4
761
772

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