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A147396
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
1
7
5
8
13
9
45
10
145
11
549
12
1997
13
9119
14
41645
[1,1,1,1,1,1,5,13,45,145,549,1997,9119,41645]
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Last modified April 23 11:13 EDT 2024. Contains 371905 sequences. (Running on oeis4.)