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A121625 as a simple table

n a(n)
0 1
1 1
2 0
3 -54
4 -1024
5 -12500
6 0
7 6588344
8 268435456
9 6198727824
10 0
11 -9129973459552
12 -570630428688384
13 -19384006821904192
14 0
15 56050417968750000000
16 4722366482869645213696
17 211773507042902211629312
18 0
19 -1012950863698080557631477248
20 -107374182400000000000000000000

[1,1,0,-54,-1024,-12500,0,6588344,268435456,
 6198727824,0,-9129973459552,-570630428688384,
 -19384006821904192,0,56050417968750000000,
 4722366482869645213696,211773507042902211629312,0,
 -1012950863698080557631477248,
 -107374182400000000000000000000]

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Last modified April 16 19:48 EDT 2024. Contains 371754 sequences. (Running on oeis4.)