A064330 - OEIS

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A064330 as a simple table

n	a(n)
0	1
1	1
2	-7
3	113
4	-2263
5	50721
6	-1217703
7	30622929
8	-796311415
9	21237226625
10	-577699502407
11	15966537989425
12	-447086291268119
13	12656524451911393
14	-361628025405250023
15	10415207118205622673
16	-302049007052246016183

[1,1,-7,113,-2263,50721,-1217703,30622929, -796311415,21237226625,-577699502407, 15966537989425,-447086291268119,12656524451911393, -361628025405250023,10415207118205622673, -302049007052246016183]