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A127896 as a simple table

na(n)
01
1-2
21
33
4-7
54
610
7-25
816
933
10-89
1163
12108
13-316
14245
15350
16-1119
17943
181121
19-3952
203598
213539
22-13920
2313625
2410971
25-48897
2651256
2733208
28-171287
29191694
3097265
31-598325
32713161
33271388
34-2083934

[1,-2,1,3,-7,4,10,-25,16,33,-89,63,108,-316,245,
 350,-1119,943,1121,-3952,3598,3539,-13920,13625,
 10971,-48897,51256,33208,-171287,191694,97265,
 -598325,713161,271388,-2083934]