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A289418 as a simple table

n a(n)
5 1
6 9
7 52
8 247
9 1053
10 4199
11 16017
12 59224
13 214058
14 760487
15 2665884
16 9246276
17 31793724
18 108548332
19 368400045
20 1244027317
21 4182854728
22 14012220027
23 46789129817
24 155798575851
25 517500496981
26 1715190689420
27 5673820630478
28 18736674281091
29 61779282616728

[1,9,52,247,1053,4199,16017,59224,214058,760487,
 2665884,9246276,31793724,108548332,368400045,
 1244027317,4182854728,14012220027,46789129817,
 155798575851,517500496981,1715190689420,
 5673820630478,18736674281091,61779282616728]

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Last modified May 8 09:02 EDT 2024. Contains 372332 sequences. (Running on oeis4.)