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A345873 as a simple table

na(n)
10
21
3-1
42
53
6-2
7-3
8-4
96
10-5
115
129
134
147
15-6
16-8
17-9
1810
1911
20-7
21-12
228
23-11
24-16
2513
26-15
27-19
28-10
2912
3015
3119
32-13
3320
34-20
3521
3622
3714
38-17
3918
4023
4116
4217
43-14
44-25
4526
46-23
4727
48-29
49-28
50-27
51-26
5229
53-24
54-33
5525
5633
57-18
5828
59-22
6031
61-21
62-35

[0,1,-1,2,3,-2,-3,-4,6,-5,5,9,4,7,-6,-8,-9,10,11,
 -7,-12,8,-11,-16,13,-15,-19,-10,12,15,19,-13,20,
 -20,21,22,14,-17,18,23,16,17,-14,-25,26,-23,27,
 -29,-28,-27,-26,29,-24,-33,25,33,-18,28,-22,31,
 -21,-35]