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A102975
as a simple table
n
a(n)
1
1
2
2
3
12
4
15
5
51
6
194
7
498
8
2136
9
2822
10
3762
11
7428
12
22740
13
30452
14
37952
15
55254
[1,2,12,15,51,194,498,2136,2822,3762,7428,22740, 30452,37952,55254]
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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)
