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A174776 as a simple table

n a(n)
1 0
2 4
3 200
4 9996
5 499600
6 24970004
7 1248000600
8 62375059996
9 3117504999200
10 155812874900004
11 7787526240001000
12 389220499125149996
13 19453237430017498800
14 972272651001749790004
15 48594179312657472001400

[0,4,200,9996,499600,24970004,1248000600,
 62375059996,3117504999200,155812874900004,
 7787526240001000,389220499125149996,
 19453237430017498800,972272651001749790004,
 48594179312657472001400]

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Last modified April 25 11:06 EDT 2024. Contains 371967 sequences. (Running on oeis4.)