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A001428
as a simple table
n
a(n)
1
1
2
2
3
5
4
16
5
52
6
208
7
911
8
4637
9
26422
10
169163
11
1198651
12
9324047
13
78860687
14
719606005
15
7035514642
[1,2,5,16,52,208,911,4637,26422,169163,1198651, 9324047,78860687,719606005,7035514642]
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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)