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A030047 as a simple table

na(n)
01
10
20
30
40
51
60
70
80
95
10-5
110
120
1345
14-95
1550
1610
17485
18-1640
191790
20-325
215425
22-27510
2347160
24-27775
2566567

[1,0,0,0,0,1,0,0,0,5,-5,0,0,45,-95,50,10,485,
 -1640,1790,-325,5425,-27510,47160,-27775,66567]