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A054769 as a simple table

n a(n)
1 1
2 1
3 1
4 2
5 5
6 17
7 67
8 324
9 1777
10 11054
11 76793
12 591905
13 4987228
14 45712331
15 452511382
16 4812134735 

[1,1,1,2,5,17,67,324,1777,11054,76793,591905,
 4987228,45712331,452511382,4812134735]

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Last modified May 15 05:14 EDT 2024. Contains 372536 sequences. (Running on oeis4.)