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A243788
as a simple table
n
a(n)
1
1
2
1
3
2
4
4
5
11
6
35
7
124
8
500
9
2224
10
10640
11
53920
12
285535
13
1563849
14
8798306
[1,1,2,4,11,35,124,500,2224,10640,53920,285535, 1563849,8798306]
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Last modified April 25 09:38 EDT 2024. Contains 371967 sequences. (Running on oeis4.)