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A276229 as a simple table

na(n)
00
10
21
3-1
4-1
54
6-3
7-6
816
9-7
10-31
1161
12-6
13-147
14220
1568
16-655
17739
18639
19-2772
202233
213950
22-11188
235521
2420805
25-43035
266946
2799929
28-156856
29-36056
30449697
31-534441
32-401009
331919588
34-1652011
35-2588174
367811784
37-4287447
38-13924295
3930310973

[0,0,1,-1,-1,4,-3,-6,16,-7,-31,61,-6,-147,220,68,
 -655,739,639,-2772,2233,3950,-11188,5521,20805,
 -43035,6946,99929,-156856,-36056,449697,-534441,
 -401009,1919588,-1652011,-2588174,7811784,
 -4287447,-13924295,30310973]