A024238 - OEIS

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A024238 as a simple table

n	a(n)
0	0
1	1
2	-2
3	63
4	-1684
5	47885
6	-2204406
7	132744619
8	-9077359208
9	742552576857
10	-73321393543210
11	8347807403373911
12	-1073637784611054972
13	156252386332716624613
14	-25582992239831815086494

[0,1,-2,63,-1684,47885,-2204406,132744619, -9077359208,742552576857,-73321393543210, 8347807403373911,-1073637784611054972, 156252386332716624613,-25582992239831815086494]