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A155254 as a simple table

n a(n)
4 1
5 7
6 25
7 76
8 295
9 1744
10 13870
11 129297
12 1393351
13 18761115
14 322004760
15 6998296402
16 187297012609 

[1,7,25,76,295,1744,13870,129297,1393351,18761115,
 322004760,6998296402,187297012609]

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Last modified June 9 13:50 EDT 2024. Contains 373240 sequences. (Running on oeis4.)