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A263527 as a simple table

na(n)
01
10
21
3-2
42
5-2
60
7-4
82
90
101
11-4
124
13-2
142
15-4
165
170
182
19-2
206
21-4
222
23-4
246
250
260
27-6
284
29-2
304
31-8
327
330
342
35-10
364
37-6
380
39-4
406
410
421
43-6
448
45-6
464
47-8
484
490
504
51-8
5210
53-4
542
55-8
568
570
582
59-6
6012
61-4
624
63-8
648
650
665
67-8
686
69-4
700
71-8
7214
730
742
75-10

[1,0,1,-2,2,-2,0,-4,2,0,1,-4,4,-2,2,-4,5,0,2,-2,6,
 -4,2,-4,6,0,0,-6,4,-2,4,-8,7,0,2,-10,4,-6,0,-4,6,
 0,1,-6,8,-6,4,-8,4,0,4,-8,10,-4,2,-8,8,0,2,-6,12,
 -4,4,-8,8,0,5,-8,6,-4,0,-8,14,0,2,-10]