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A005272
as a simple table
n
a(n)
2
1
3
2
4
6
5
26
6
164
7
1529
8
21439
9
461481
10
15616226
11
851607867
12
76555549499
13
11550559504086
[1,2,6,26,164,1529,21439,461481,15616226, 851607867,76555549499,11550559504086]
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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)
