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A340395 as a simple table

n a(n)
2 5
3 15
4 50
5 150
6 455
7 1365
8 4100
9 12300
10 36905
11 110715
12 332150
13 996450
14 2989355
15 8968065
16 26904200
17 80712600
18 242137805
19 726413415
20 2179240250
21 6537720750
22 19613162255
23 58839486765
24 176518460300
25 529555380900
26 1588666142705
27 4765998428115
28 14297995284350

[5,15,50,150,455,1365,4100,12300,36905,110715,
 332150,996450,2989355,8968065,26904200,80712600,
 242137805,726413415,2179240250,6537720750,
 19613162255,58839486765,176518460300,529555380900,
 1588666142705,4765998428115,14297995284350]

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Last modified May 3 22:58 EDT 2024. Contains 372225 sequences. (Running on oeis4.)