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A226495 as a simple table

n a(n)
1 2
2 8
3 34
4 134
5 615
6 2813
7 13415
8 65162
9 323858
10 1626844
11 8268241
12 42417710

[2,8,34,134,615,2813,13415,65162,323858,1626844,
 8268241,42417710]

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Last modified January 20 14:26 EST 2020. Contains 331094 sequences. (Running on oeis4.)