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A147922 as a simple table

n a(n)
1 1
2 2
3 6
4 16
5 54
6 232
7 1132
8 7628
9 50462
10 382076
11 2944618
12 24671640
13 216525368
14 2053251888
15 23564654276
16 271943000896 

[1,2,6,16,54,232,1132,7628,50462,382076,2944618,
 24671640,216525368,2053251888,23564654276,
 271943000896]

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Last modified April 25 10:22 EDT 2024. Contains 371967 sequences. (Running on oeis4.)