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A231199 as a simple table

n a(n)
1 9
2 67
3 67
4 538
5 1413
6 538
7 4264
8 31665
9 31665
10 4264
11 33868
12 704428
13 2001156
14 704428
15 33868
16 268936
17 15698874
18 125862699
19 125862699
20 15698874
21 268936
22 2135636
23 349736292
24 7925306181
25 22370911245
26 7925306181
27 349736292
28 2135636
29 16959144

[9,67,67,538,1413,538,4264,31665,31665,4264,33868,
 704428,2001156,704428,33868,268936,15698874,
 125862699,125862699,15698874,268936,2135636,
 349736292,7925306181,22370911245,7925306181,
 349736292,2135636,16959144]

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Last modified September 23 02:41 EDT 2021. Contains 347609 sequences. (Running on oeis4.)