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A055905 as a simple table

na(n)
01
1-1
21
32
4-3
51
6-5
79
8-5
91
1012
11-25
1219
13-7
141
15-17
1648
17-55
1832
19-9
201
21-62
2260
2360
24-96
2548
26-11
271
28677
29-1229
30639
317
32-149
3367
34-13
351
36-2840
376435
38-5565
392275
40-165
41-215
4289
43-15
441
45-1451
46-6189
4718556
48-15974
495778
50-523
51-295
52114
53-17
541

[1,-1,1,2,-3,1,-5,9,-5,1,12,-25,19,-7,1,-17,48,
 -55,32,-9,1,-62,60,60,-96,48,-11,1,677,-1229,639,
 7,-149,67,-13,1,-2840,6435,-5565,2275,-165,-215,
 89,-15,1,-1451,-6189,18556,-15974,5778,-523,-295,
 114,-17,1]