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A226711 as a simple table

n a(n)
1 9
2 71
3 427
4 2393
5 13691
6 80043
7 469273
8 2739433
9 15958607
10 93008549
11 542420159
12 3163594535
13 18448581619
14 107577118339
15 627315001045
16 3658138216921
17 21332152588333
18 124396206594399
19 725402407325709
20 4230105619473679 

[9,71,427,2393,13691,80043,469273,2739433,
 15958607,93008549,542420159,3163594535,
 18448581619,107577118339,627315001045,
 3658138216921,21332152588333,124396206594399,
 725402407325709,4230105619473679]

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Last modified June 8 03:56 EDT 2024. Contains 373207 sequences. (Running on oeis4.)