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A238809 as a simple table

n a(n)
1 6
2 39
3 254
4 1501
5 7502
6 31125
7 111564
8 356666
9 1041746
10 2828429
11 7227752
12 17541293
13 40706954
14 90804704
15 195525484
16 407797895
17 826187028
18 1629896763
19 3137605666
20 5904488589
21 10879371862
22 19655065895
23 34860900004
24 60769196108
25 104219292070

[6,39,254,1501,7502,31125,111564,356666,1041746,
 2828429,7227752,17541293,40706954,90804704,
 195525484,407797895,826187028,1629896763,
 3137605666,5904488589,10879371862,19655065895,
 34860900004,60769196108,104219292070]

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Last modified July 2 21:48 EDT 2022. Contains 355029 sequences. (Running on oeis4.)