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A303007 as a simple table

n a(n)
0 1
1 -30
2 -3150
3 -472500
4 -81506250
5 -15160162500
6 -2956231687500
7 -595469525625000
8 -122815589660156250
9 -25791273828632812500
10 -5493541325498789062500
11 -1183608449221102734375000
12 -257434837705589844726562500
13 -56437637496994696728515625000

[1,-30,-3150,-472500,-81506250,-15160162500,
 -2956231687500,-595469525625000,
 -122815589660156250,-25791273828632812500,
 -5493541325498789062500,
 -1183608449221102734375000,
 -257434837705589844726562500,
 -56437637496994696728515625000]

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Last modified April 19 07:38 EDT 2024. Contains 371782 sequences. (Running on oeis4.)