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A001699 as a simple table

n a(n)
0 1
1 1
2 3
3 21
4 651
5 457653
6 210065930571
7 44127887745696109598901
8 1947270476915296449559659317606103024276803403
9 3791862310265926082868235028027893277370233150300118107846437701158064808916492244872560821 

[1,1,3,21,651,457653,210065930571,
 44127887745696109598901,
 1947270476915296449559659317606103024276803403,
 37918623102659260828682350280278932773702331503001\
 18107846437701158064808916492244872560821]

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)