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A147178
as a simple table
n
a(n)
1
1
2
1
3
1
4
17
5
53
6
329
7
3195
8
60697
9
1822001
10
62512113
11
3196151109
12
269695770307
13
35398633644551
[1,1,1,17,53,329,3195,60697,1822001,62512113, 3196151109,269695770307,35398633644551]
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Last modified May 9 02:56 EDT 2024. Contains 372341 sequences. (Running on oeis4.)