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A009147 as a simple table

na(n)
01
10
21
36
421
560
6237
71498
89289
946872
10208249
111096590
127953693
1357151380
14296264997
15707086882
16-2635164911
17-25223244624
18-123580612751
19-4185669625194
20-97178084153691
21-1235239023971988
22-9092858617394211

[1,0,1,6,21,60,237,1498,9289,46872,208249,1096590,
 7953693,57151380,296264997,707086882,-2635164911,
 -25223244624,-123580612751,-4185669625194,
 -97178084153691,-1235239023971988,
 -9092858617394211]