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A005505 as a simple table

n a(n)
0 1
1 2
2 4
3 10
4 29
5 86
6 266
7 844
8 2742
9 9032
10 30202
11 101988
12 347914

[1,2,4,10,29,86,266,844,2742,9032,30202,101988,
 347914]

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Last modified August 15 01:56 EDT 2020. Contains 336485 sequences. (Running on oeis4.)