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A118438 as a simple table

na(n)
01
1-1
21
35
4-2
51
611
7-9
8-3
91
10-23
1144
1230
13-4
141
15-41
16125
17110
18-30
19-5
201
2145
22-246
23-345
24220
2575
26-6
271
28-29
29-301
30-861
31875
32385
33-63
34-7
351
36337
37-232
381260
39-2296
40-1610
41616
42140
43-8
441
451199
46-3015
47-1044
48-3612
49-5166
503150
51924
52-108
53-9
541

[1,-1,1,5,-2,1,11,-9,-3,1,-23,44,30,-4,1,-41,125,
 110,-30,-5,1,45,-246,-345,220,75,-6,1,-29,-301,
 -861,875,385,-63,-7,1,337,-232,1260,-2296,-1610,
 616,140,-8,1,1199,-3015,-1044,-3612,-5166,3150,
 924,-108,-9,1]