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A377090 as a simple table

na(n)
00
12
2-1
31
4-2
53
6-4
7-6
8-3
94
106
11-5
12-7
13-9
148
155
167
179
18-8
19-10
20-12
2111
2213
2310
2412
25-11
26-13
27-15
2814
2916
3018
3115
32-14
33-16
34-18
3519
3617
3720
38-17
39-19
40-21
4122
4224
4321
44-20
45-22
46-24
4723
4825
4927
50-26
51-23
52-25
53-27
5426
5528
5630
57-29
58-31
59-28
60-30
6129

[0,2,-1,1,-2,3,-4,-6,-3,4,6,-5,-7,-9,8,5,7,9,-8,
 -10,-12,11,13,10,12,-11,-13,-15,14,16,18,15,-14,
 -16,-18,19,17,20,-17,-19,-21,22,24,21,-20,-22,-24,
 23,25,27,-26,-23,-25,-27,26,28,30,-29,-31,-28,-30,
 29]