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A193617
as a simple table
n
a(n)
0
0
1
1
2
1
3
1
4
1
5
2
6
4
7
8
8
18
9
43
10
107
11
282
12
771
13
2167
14
6241
15
18421
16
55309
17
168845
18
524728
19
1649764
[0,1,1,1,1,2,4,8,18,43,107,282,771,2167,6241, 18421,55309,168845,524728,1649764]
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Last modified March 28 22:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)