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A053631 as a simple table

n a(n)
1 2
2 4
3 12
4 84
5 3612
6 6526884
7 21300113901612
8 226847426110843688722000884
9 25729877366557343481074291996721923093306518970391612
10 331013294649039928396936390888878360035026305412754995683702777533071737279144813617823976263475290370884 

[2,4,12,84,3612,6526884,21300113901612,
 226847426110843688722000884,
 25729877366557343481074291996721923093306518970391\
 612,
 33101329464903992839693639088887836003502630541275\
 49956837027775330717372791448136178239762634752903\
 70884]

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Last modified September 17 11:42 EDT 2024. Contains 375987 sequences. (Running on oeis4.)