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A135417 as a simple table

n a(n)
1 1
2 0
3 8
4 56
5 252
6 784
7 1792
8 3108
9 4166
10 4352
11 3544
12 2232
13 1068
14 376
15 92
16 14
17 1 

[1,0,8,56,252,784,1792,3108,4166,4352,3544,2232,
 1068,376,92,14,1]

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Last modified April 25 07:41 EDT 2024. Contains 371964 sequences. (Running on oeis4.)