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A072638 as a simple table

n a(n)
0 0
1 1
2 3
3 10
4 66
5 2278
6 2598060
7 3374961778891
8 5695183504492614029263278
9 16217557574922386301420536972254869595782763547560 

[0,1,3,10,66,2278,2598060,3374961778891,
 5695183504492614029263278,
 16217557574922386301420536972254869595782763547560\
 ]

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Last modified April 18 10:46 EDT 2024. Contains 371779 sequences. (Running on oeis4.)