A028934 - OEIS

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A028934 as a simple table

n	a(n)
0	0
1	1
2	5
3	-8
4	435
5	3612
6	43355
7	28076979
8	-331948240
9	641260644409
10	318128427505160
11	-66316334575107447
12	588310630753491921045
13	435912379274109872312968
14	2181616293371330311419201915

[0,1,5,-8,435,3612,43355,28076979,-331948240, 641260644409,318128427505160,-66316334575107447, 588310630753491921045,435912379274109872312968, 2181616293371330311419201915]