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A051249 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 1
5 2
6 7
7 1044
8 1788782616656
9 234431745534048922731115555415680
10 1994324729203114587259985605157804740271034553359179870979936357974016 

[1,1,1,1,1,2,7,1044,1788782616656,
 234431745534048922731115555415680,
 19943247292031145872599856051578047402710345533591\
 79870979936357974016]

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Last modified May 7 02:00 EDT 2024. Contains 372298 sequences. (Running on oeis4.)