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A197968
as a simple table
n
a(n)
1
1
2
4
3
9
4
23
5
276
6
2955
7
54623
8
1864724
9
103400828
10
8959767090
[1,4,9,23,276,2955,54623,1864724,103400828, 8959767090]
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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)
