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A156499 as a simple table

n a(n)
1 1
2 0
3 0
4 7
5 15
6 150
7 1830
8 136182
9 3730237
10 747469740
11 63910429200

[1,0,0,7,15,150,1830,136182,3730237,747469740,
 63910429200]

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Last modified April 13 20:16 EDT 2024. Contains 371645 sequences. (Running on oeis4.)