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A246425 as a simple table

na(n)
00
11
2-2
32
4-1
53
6-4
74
8-2
95
10-10
116
12-3
137
14-9
158
16-4
179
18-15
1910
20-5
2111
22-14
2312
24-6
2513
26-24
2714
28-7
2915
30-19
3116
32-8
3317
34-28
3518
36-9
3719
38-24
3920
40-10
4121
42-42
4322
44-11
4523
46-29
4724
48-12
4925
50-41
5126
52-13
5327
54-34
5528
56-14
5729
58-53
5930
60-15
6131
62-39
6332
64-16
6533
66-54
6734
68-17
6935
70-44
7136
72-18
7337
74-71
7538
76-19
7739
78-49
7940
80-20
8141
82-67
8342
84-21
8543
86-54
8744
88-22
8945
90-82
9146
92-23
9347
94-59
9548
96-24
9749
98-80
9950

[0,1,-2,2,-1,3,-4,4,-2,5,-10,6,-3,7,-9,8,-4,9,-15,
 10,-5,11,-14,12,-6,13,-24,14,-7,15,-19,16,-8,17,
 -28,18,-9,19,-24,20,-10,21,-42,22,-11,23,-29,24,
 -12,25,-41,26,-13,27,-34,28,-14,29,-53,30,-15,31,
 -39,32,-16,33,-54,34,-17,35,-44,36,-18,37,-71,38,
 -19,39,-49,40,-20,41,-67,42,-21,43,-54,44,-22,45,
 -82,46,-23,47,-59,48,-24,49,-80,50]