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A014138 as a simple table

n a(n)
0 0
1 1
2 3
3 8
4 22
5 64
6 196
7 625
8 2055
9 6917
10 23713
11 82499
12 290511
13 1033411
14 3707851
15 13402696
16 48760366
17 178405156
18 656043856
19 2423307046
20 8987427466
21 33453694486
22 124936258126
23 467995871776
24 1757900019100

[0,1,3,8,22,64,196,625,2055,6917,23713,82499,
 290511,1033411,3707851,13402696,48760366,
 178405156,656043856,2423307046,8987427466,
 33453694486,124936258126,467995871776,
 1757900019100]

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Last modified October 15 14:07 EDT 2018. Contains 316236 sequences. (Running on oeis4.)