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A171076
as a simple table
n
a(n)
1
2
2
20
3
188
4
1222
5
6872
6
35954
7
180070
[2,20,188,1222,6872,35954,180070]
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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)
