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A155423
as a simple table
n
a(n)
7
1
8
7
9
19
10
52
11
172
12
643
13
2936
14
14954
15
84090
16
537490
17
4238593
18
38671134
[1,7,19,52,172,643,2936,14954,84090,537490, 4238593,38671134]
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Last modified July 15 03:33 EDT 2024. Contains 374324 sequences. (Running on oeis4.)