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A143046 as a simple table

na(n)
01
11
2-3
3-6
435
587
6-588
7-1578
811511
932223
10-245883
11-706824
125556564
1316267508
14-130617600
15-387533058
163161190783
179474886287
18-78241316361
19-236394953670
201971270824859
215994591989967
22-50388913722480
23-154052058035736

[1,1,-3,-6,35,87,-588,-1578,11511,32223,-245883,
 -706824,5556564,16267508,-130617600,-387533058,
 3161190783,9474886287,-78241316361,-236394953670,
 1971270824859,5994591989967,-50388913722480,
 -154052058035736]