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A208823 as a simple table

n a(n)
1 1
2 7
3 25
4 210
5 1755
6 17339
7 177097
8 1888153
9 20587627
10 228891069
11 2582512649
12 29499246456 

[1,7,25,210,1755,17339,177097,1888153,20587627,
 228891069,2582512649,29499246456]

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Last modified June 16 05:29 EDT 2024. Contains 373423 sequences. (Running on oeis4.)