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A099493 as a simple table

na(n)
01
10
21
32
4-1
50
63
7-4
8-3
98
10-7
11-10
1223
13-8
14-33
1556
161
17-104
18121
1958
20-297
21232
22291
23-780
24349
251072
26-1903
27174
283407
29-4272
30-1505
319840
32-8543
33-8752
3426321
35-13902
36-33777
3765456
38-11805
39-110356
40150173
4135192
42-325303
43310054
44257319
45-885496
46537919
471054888
48-2240927

[1,0,1,2,-1,0,3,-4,-3,8,-7,-10,23,-8,-33,56,1,
 -104,121,58,-297,232,291,-780,349,1072,-1903,174,
 3407,-4272,-1505,9840,-8543,-8752,26321,-13902,
 -33777,65456,-11805,-110356,150173,35192,-325303,
 310054,257319,-885496,537919,1054888,-2240927]