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A032284 as a simple table

n a(n)
1 3
2 9
3 22
4 57
5 150
6 444
7 1362
8 4497
9 15338
10 54018
11 193722
12 705392
13 2593398
14 9612144
15 35840622
16 134318097
17 505486878
18 1909275084
19 7234415562
20 27489389850
21 104718539638
22 399828796884
23 1529767891122
24 5864087533072
25 22518048468582
26 86607787095594
27 333600173734122

[3,9,22,57,150,444,1362,4497,15338,54018,193722,
 705392,2593398,9612144,35840622,134318097,
 505486878,1909275084,7234415562,27489389850,
 104718539638,399828796884,1529767891122,
 5864087533072,22518048468582,86607787095594,
 333600173734122]

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Last modified May 22 10:24 EDT 2024. Contains 372745 sequences. (Running on oeis4.)