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A203340 as a simple table

n a(n)
1 1
2 5
3 25
4 95
5 425
6 2329
7 12487
8 64444
9 337977
10 1804892
11 9639699
12 51382419
13 274455029
14 1469096024
15 7868330298
16 42153003025
17 225933068001
18 1211463181206
19 6497484955682
20 34854150590549
21 186995102014521
22 1003366634580196

[1,5,25,95,425,2329,12487,64444,337977,1804892,
 9639699,51382419,274455029,1469096024,7868330298,
 42153003025,225933068001,1211463181206,
 6497484955682,34854150590549,186995102014521,
 1003366634580196]

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Last modified May 23 04:06 EDT 2022. Contains 353959 sequences. (Running on oeis4.)