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A077889 as a simple table

na(n)
01
11
20
3-1
40
52
62
7-1
8-3
90
105
114
12-4
13-8
141
1513
168
17-13
18-20
196
2034
2115
22-39
23-48
2425
2588
2624
27-112
28-111
2989
30224
3123
32-312
33-246
34290
35559
36-43
37-848
38-515
39892
401364
41-376
42-2255
43-987
442632
453243
46-1644
47-5874
48-1598
497519
507473
51-5920
52-14991
53-1552
5420912
5516544
56-19359
57-37455
582816
5956815

[1,1,0,-1,0,2,2,-1,-3,0,5,4,-4,-8,1,13,8,-13,-20,
 6,34,15,-39,-48,25,88,24,-112,-111,89,224,23,-312,
 -246,290,559,-43,-848,-515,892,1364,-376,-2255,
 -987,2632,3243,-1644,-5874,-1598,7519,7473,-5920,
 -14991,-1552,20912,16544,-19359,-37455,2816,56815]