A024233 - OEIS

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A024233 as a simple table

n	a(n)
0	0
1	1
2	-2
3	-21
4	668
5	-8363
6	-597350
7	76652415
8	-5349200200
9	94006240681
10	53961261562294
11	-13137846911653101
12	1863043894828247636
13	-101535637135541768963
14	-32156707726436068717742

[0,1,-2,-21,668,-8363,-597350,76652415, -5349200200,94006240681,53961261562294, -13137846911653101,1863043894828247636, -101535637135541768963,-32156707726436068717742]