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A274552 as a simple table

n a(n)
1 4
2 5
3 6
4 7
5 8
6 15
7 52
8 315
9 592
10 1155
11 2102272
12 815634435 

[4,5,6,7,8,15,52,315,592,1155,2102272,815634435]

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Last modified April 23 10:26 EDT 2024. Contains 371905 sequences. (Running on oeis4.)