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A109978 as a simple table

na(n)
11
21
31
4-1
51
61
72
8-2
92
101
11-5
125
13-4
145
151
1613
17-14
1811
19-7
2012
211
22-33
2340
24-35
2520
26-5
2727
281
2980
30-111
31113
32-77
3321
3434
3558
361
37-184
38293
39-350
40294
41-144
42-27
43238
44121
451
46402
47-731
481021
49-1042
50716
51-249
52-153
531063
54248
551
56-840
571726
58-2796
593409
60-2982
611755
62-724
63318
644037
65503
661

[1,1,1,-1,1,1,2,-2,2,1,-5,5,-4,5,1,13,-14,11,-7,
 12,1,-33,40,-35,20,-5,27,1,80,-111,113,-77,21,34,
 58,1,-184,293,-350,294,-144,-27,238,121,1,402,
 -731,1021,-1042,716,-249,-153,1063,248,1,-840,
 1726,-2796,3409,-2982,1755,-724,318,4037,503,1]