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A026575 as a simple table

n a(n)
1 1
2 2
3 12
4 38
5 200
6 701
7 3682
8 13294
9 70665
10 258430
11 1388002
12 5114572
13 27682135
14 102539204
15 558172494
16 2075658454
17 11348521989
18 42330184638 

[1,2,12,38,200,701,3682,13294,70665,258430,
 1388002,5114572,27682135,102539204,558172494,
 2075658454,11348521989,42330184638]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)