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A084081 as a simple table

n a(n)
0 0
1 1
2 2
3 5
4 10
5 24
6 50
7 121
8 260
9 637
10 1400
11 3468
12 7752
13 19380
14 43890
15 110561
16 253000
17 641355
18 1480050
19 3771885
20 8765250
21 22439040
22 52451256
23 134796060
24 316663760
25 816540124
26 1926501200
27 4982228488
28 11798983280
29 30593078076
30 72690164850

[0,1,2,5,10,24,50,121,260,637,1400,3468,7752,
 19380,43890,110561,253000,641355,1480050,3771885,
 8765250,22439040,52451256,134796060,316663760,
 816540124,1926501200,4982228488,11798983280,
 30593078076,72690164850]

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Last modified August 26 00:35 EDT 2019. Contains 326324 sequences. (Running on oeis4.)