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A129509 as a simple table

na(n)
00
10
20
31
4-1
50
62
7-4
83
95
10-20
1129
12-1
13-94
14221
15-191
16-327
171454
18-2282
19162
208002
21-19902
2218275
2330505
24-143511
25234364
26-24437
27-841723
282164873
29-2069014
30-3325410
3116315410
32-27375369
333714435
3498829168
35-260605269
36257026289
37395719442
38-2013114895
393450787313
40-572442080
41-12414009687
4233423611731
43-33865948418
44-49805740764
45262037063892

[0,0,0,1,-1,0,2,-4,3,5,-20,29,-1,-94,221,-191,
 -327,1454,-2282,162,8002,-19902,18275,30505,
 -143511,234364,-24437,-841723,2164873,-2069014,
 -3325410,16315410,-27375369,3714435,98829168,
 -260605269,257026289,395719442,-2013114895,
 3450787313,-572442080,-12414009687,33423611731,
 -33865948418,-49805740764,262037063892]