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A000084 as a simple table

n a(n)
1 1
2 2
3 4
4 10
5 24
6 66
7 180
8 522
9 1532
10 4624
11 14136
12 43930
13 137908
14 437502
15 1399068
16 4507352
17 14611576
18 47633486
19 156047204
20 513477502
21 1696305728
22 5623993944
23 18706733128
24 62408176762
25 208769240140
26 700129713630
27 2353386723912

[1,2,4,10,24,66,180,522,1532,4624,14136,43930,
 137908,437502,1399068,4507352,14611576,47633486,
 156047204,513477502,1696305728,5623993944,
 18706733128,62408176762,208769240140,700129713630,
 2353386723912]

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Last modified February 19 13:23 EST 2018. Contains 299333 sequences. (Running on oeis4.)