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A289294 as a simple table

na(n)
01
1-132
2-76428
3-12686784
4-4629945804
5-1581036186312
6-643032851554368
7-264454897726360704
8-114830224962140965068
9-50847479367845783084484
10-23070238839261012248537688
11-10629338992044523324726971456

[1,-132,-76428,-12686784,-4629945804,
 -1581036186312,-643032851554368,
 -264454897726360704,-114830224962140965068,
 -50847479367845783084484,
 -23070238839261012248537688,
 -10629338992044523324726971456]