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A167248 as a simple table

n a(n)
1 1
2 5
3 23
4 117
5 501
6 2369
7 9525
8 39731
9 145415
10 554487
11 1975561
12 7301317
13 25334269 

[1,5,23,117,501,2369,9525,39731,145415,554487,
 1975561,7301317,25334269]

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Last modified August 11 12:11 EDT 2024. Contains 375069 sequences. (Running on oeis4.)