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A111459 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 2
5 3
6 35
7 313
8 26261407
9 1001689887346
10 356879751557595054813966522072161803
11 3221974575788016845202611315068840860244866942009716269469 

[1,1,1,1,2,3,35,313,26261407,1001689887346,
 356879751557595054813966522072161803,
 32219745757880168452026113150688408602448669420097\
 16269469]

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Last modified April 24 15:18 EDT 2024. Contains 371960 sequences. (Running on oeis4.)