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A334952 as a simple table

na(n)
00
1-1
22
3-2
44
5-3
66
7-4
80
9-5
1010
11-6
1212
13-7
1414
15-8
160
17-9
1818
19-10
200
21-11
2222
23-12
240
25-13
2626
27-14
280
29-15
3030
31-16
320
33-17
3434
35-18
3636
37-19
3838
39-20
400
41-21
4242
43-22
440
45-23
460
47-24
4848
49-25
500
51-26
5252
53-27
540
55-28
5656
57-29
580
59-30
6060
61-31
620
63-32
6464
65-33
6666
67-34
6868
69-35
700
71-36
7272
73-37

[0,-1,2,-2,4,-3,6,-4,0,-5,10,-6,12,-7,14,-8,0,-9,
 18,-10,0,-11,22,-12,0,-13,26,-14,0,-15,30,-16,0,
 -17,34,-18,36,-19,38,-20,0,-21,42,-22,0,-23,0,-24,
 48,-25,0,-26,52,-27,0,-28,56,-29,0,-30,60,-31,0,
 -32,64,-33,66,-34,68,-35,0,-36,72,-37]