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A217803
as a simple table
n
a(n)
0
1
1
2
2
12
3
108
4
1202
5
15234
6
210696
7
3102296
8
47875884
[1,2,12,108,1202,15234,210696,3102296,47875884]
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Last modified September 17 17:50 EDT 2024. Contains 375990 sequences. (Running on oeis4.)
