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A155374
as a simple table
n
a(n)
5
1
6
7
7
19
8
52
9
254
10
1061
11
4586
12
28708
13
218507
14
1736540
15
17357415
16
205447067
17
2686619638
[1,7,19,52,254,1061,4586,28708,218507,1736540, 17357415,205447067,2686619638]
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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)
