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A354456 as a simple table

n a(n)
1 7
2 28
3 132
4 666
5 3234
6 17514
7 100674
8 501228
9 2062662
10 211097334
11 2597411082
12 34473310284
13 214852200444
14 394471192794 

[7,28,132,666,3234,17514,100674,501228,2062662,
 211097334,2597411082,34473310284,214852200444,
 394471192794]

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Last modified May 23 10:34 EDT 2024. Contains 372760 sequences. (Running on oeis4.)