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A147511 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 9
9 15
10 29
11 57
12 137
13 413
14 1389
15 4485
16 15371
17 54209
18 224739
19 1032991
20 5497929
21 29140255
22 171761393
23 1058704295
24 7315438183

[1,1,1,1,1,1,1,9,15,29,57,137,413,1389,4485,15371,
 54209,224739,1032991,5497929,29140255,171761393,
 1058704295,7315438183]

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Last modified June 28 04:00 EDT 2022. Contains 354903 sequences. (Running on oeis4.)