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A246953 as a simple table

na(n)
01
1-2
22
3-4
43
5-2
66
7-4
84
9-6
104
11-4
127
13-8
142
15-8
168
17-4
1810
19-4
204
21-10
2210
23-8
249
25-4
266
27-12
288
29-6
3010
31-12
324
33-14
348
35-4
3616
37-10
388
39-8
409
41-10
4212
43-12
448
45-12
4612
47-4
4820
49-10
506
51-20
528
53-6
5410
55-12
568
57-20
5818
59-8
6011
61-12
6212
63-16
648
65-6
6620

[1,-2,2,-4,3,-2,6,-4,4,-6,4,-4,7,-8,2,-8,8,-4,10,
 -4,4,-10,10,-8,9,-4,6,-12,8,-6,10,-12,4,-14,8,-4,
 16,-10,8,-8,9,-10,12,-12,8,-12,12,-4,20,-10,6,-20,
 8,-6,10,-12,8,-20,18,-8,11,-12,12,-16,8,-6,20]