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A002935
as a simple table
n
a(n)
3
1
4
1
5
2
6
5
7
9
8
22
9
62
10
177
11
560
12
1939
13
7067
14
27331
15
110871
16
468684
17
2057161
18
9341736
[1,1,2,5,9,22,62,177,560,1939,7067,27331,110871, 468684,2057161,9341736]
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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)