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A306021 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 54
5 1754
6 1102746
7 68715913086
8 1180735735356265746734
9 170141183460507906731293351306656207090
10 7237005577335553223087828975127304177495735363998991435497132232365910414322 

[1,1,2,6,54,1754,1102746,68715913086,
 1180735735356265746734,
 170141183460507906731293351306656207090,
 72370055773355532230878289751273041774957353639989\
 91435497132232365910414322]

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Last modified April 17 23:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)