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A214649 as a simple table

na(n)
-11
0-1
11
21
30
4-2
5-3
61
711
815
9-13
10-77
11-86
12144
13595
14495
15-1520
16-4810
17-2485
1815675
1939560
206290
21-159105
22-324805
2387075
241592843
252616757
26-2136539
27-15726114
28-20247800
2932296693
30152909577
31145139491
32-417959049
33-1460704685
34-885536173

[1,-1,1,1,0,-2,-3,1,11,15,-13,-77,-86,144,595,495,
 -1520,-4810,-2485,15675,39560,6290,-159105,
 -324805,87075,1592843,2616757,-2136539,-15726114,
 -20247800,32296693,152909577,145139491,-417959049,
 -1460704685,-885536173]