A013474 - OEIS

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A013474 as a simple table

n	a(n)
0	1
1	-12
2	1568
3	-445632
4	76844288
5	278739068928
6	-467851397312512
7	-2679102291371999232
8	13369295760767407751168
9	198192229563606535497842688
10	-1400852802790123139561996419072
11	-65350779506647538962325382377766912

[1,-12,1568,-445632,76844288,278739068928, -467851397312512,-2679102291371999232, 13369295760767407751168, 198192229563606535497842688, -1400852802790123139561996419072, -65350779506647538962325382377766912]