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A145917 as a simple table

na(n)
00
1-4
21
3-8
4-3
54
6-12
7-7
80
99
10-16
11-11
12-4
135
1416
15-20
16-15
17-8
181
1912
2025
21-24
22-19
23-12
24-3
258
2621
2736
28-28
29-23
30-16
31-7
324
3317
3432
3549
36-32
37-27
38-20
39-11
400
4113
4228
4345
4464
45-36
46-31
47-24
48-15
49-4
509
5124
5241
5360
5481
55-40
56-35
57-28
58-19
59-8
605
6120
6237
6356
6477
65100
66-44
67-39
68-32
69-23
70-12

[0,-4,1,-8,-3,4,-12,-7,0,9,-16,-11,-4,5,16,-20,
 -15,-8,1,12,25,-24,-19,-12,-3,8,21,36,-28,-23,-16,
 -7,4,17,32,49,-32,-27,-20,-11,0,13,28,45,64,-36,
 -31,-24,-15,-4,9,24,41,60,81,-40,-35,-28,-19,-8,5,
 20,37,56,77,100,-44,-39,-32,-23,-12]