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A263855 as a simple table

n a(n)
4 1
5 6
6 38
7 277
8 3056
9 59768
10 2376028
11 195245762
12 31700259751

[1,6,38,277,3056,59768,2376028,195245762,
 31700259751]

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Last modified April 16 09:52 EDT 2024. Contains 371698 sequences. (Running on oeis4.)