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A143890 as a simple table

n a(n)
0 1
1 2
2 3
3 9
4 16
5 61
6 143
7 802
8 2265
9 17236
10 59156
11 631443
12 2686969
13 39237301
14 210001256 

[1,2,3,9,16,61,143,802,2265,17236,59156,631443,
 2686969,39237301,210001256]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)