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A186201 as a simple table

n a(n)
1 4
2 6
3 16
4 18
5 20
6 32
7 52
8 72
9 102
10 180
11 3212

[4,6,16,18,20,32,52,72,102,180,3212]

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Last modified April 23 08:33 EDT 2024. Contains 371905 sequences. (Running on oeis4.)